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Answer:
D
Explanation: Biospheres
Related Questions
Which of the following is NOT considered a form of precipitation? *
Rain
Snow
Lightning
Hail
All of the above are considered precipitation
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Answer:
Lightning is not considered a form of precipitation but rather a discharge of electricity.
what are 4 phases of mitosis
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━━━━━━━☆☆━━━━━━━
▹ Answer
Prophase, Metaphase, Anaphase, Telophase
▹ Step-by-Step Explanation
Prophase - separates the duplicated genetic material into two identical daughter cells.
Metaphase - Chromosomes line up at the center of the cell.
Anaphase - Chromosomes break at the centromeres and the chromatids move to opposite sides of the cell.
Telophase - Nuclear membrane forms around each group of chromosomes and the chromosomes unwind.
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A
В
с
Which container has the least concentration of solutes?
O A
OB
О с
OD
Answers
Answer:
c
Explanation:
its c i took the test
If you were a forensic scientist at a crime scene and a white powder was found next to a deceased victim, what test would you conduct first?
Marquis test to check for fentanyl
Marquis test to check for arsenic
Marsh test to check for cocaine
Scott's test to check for fentanyl
Answers
If a white powder is found next to a deceased victim at a crime scene, the first test is the A. Marquis test to check for fentanyl
Fentanyl is a potent synthetic opioid that has been involved in numerous cases of drug overdoses and illicit use. The Marquis test is a common presumptive test used to detect the presence of opioids, including fentanyl. It involves adding a few drops of the Marquis reagent, which typically contains formaldehyde and sulfuric acid, to a small sample of the white powder. If fentanyl is present, it will produce a characteristic color change or reaction.
Given the potentially lethal nature of fentanyl and its widespread illicit use, it is crucial to identify its presence early on to ensure the safety of the investigators and to guide further investigation. If the initial Marquis test indicates the presence of fentanyl, additional confirmatory tests can be performed to validate the findings and gather more detailed information about the substance.
It is important for forensic scientists to exercise caution and follow proper safety protocols when dealing with unknown substances, particularly those that may pose significant health risks. Therefore, Option A is correct.
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If you were a forensic scientist at a crime scene and a white powder was found next to a deceased victim, what test would you conduct first?
A. Marquis test to check for fentanyl
B. Marquis test to check for arsenic
C. Marsh test to check for cocaine
D. Scott's test to check for fentanyl
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What was one weakness of Darwin's theory?
a. It lacked an explanation for adaptations.
b. It lacked an explanation for competition.
c. It lacked an explanation for how evolution occurs.
d. It lacked an explanation for the genetic inheritance of traits.
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One weakness of Darwin's theory was that it lacked an explanation for how evolution occurs and is therefore denoted as option C.
What is Evolution?This is referred to as the change in the heritable characteristics of biological populations over successive generations and makes organisms better suited for their ever changing envrironment.
Darwin's theory of evolution on the other hand describes how organisms evolve over generations through the inheritance of physical or behavioral traits but lacked an explanation for how it occurs and it was termed the theory of evolution by natural selection.
It had an explanation about adaptations, competition and genetic inheritance of traits which is the treason why option C was chosen as the correct choice.
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Show the reciprocal cross: A red-eyed female (homozygous) and a white-eyed male. How many offspring will have white eyes and what is their sex?
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When we see the reciprocal cross between a red-eyed female (homozygous) and a white-eyed male,we observe that none of the offspring will have white eyes. Additionally, the sex of the offspring will be half male and half female since the ratio of males to females is 1:1.
The reciprocal cross for a red-eyed female (homozygous) and a white-eyed male can be shown as follows:Female (XrXr) x Male (XwY). Females have two X chromosomes and males have an X and a Y chromosome. Red eyes are dominant to white eyes; therefore, we use Xr to represent red eyes and Xw to represent white eyes.
The offspring are as follows:All F1 females are heterozygous (XrXw).All F1 males are hemizygous (XrY).The F1 generation will have red eyes since the dominant allele is present.
None of the F1 individuals will have white eyes as the recessive allele is not present in the F1 generation.
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Which of the following principles best correlates to the philosophy behind IPM planning?
o choose the most effective method to eliminate pests
O use natural rather than synthetic methods to control pests
choose the safest approach with the least human risk
o do the least possible harm while controlling pests
this is for my plant systems class
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Answer:
Use natural rather than synthetic methods to control pests.
Explanation:
Integrated Pest Management (IPM) encompasses a variety of techniques used to maintain an acceptable level of pests in a given environment. that limits use of pesticides and maintains soil nutrients for future crops. Its four components are prevention, avoidance, monitoring, and suppression.These practices rely on natural efforts first
Most serious side effects occur when steroids are
O prescribed by doctors.
O taken by children.
O absorbed through the skin
O taken for long periods.
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define dorsiventral leaf
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A dorsiventral leaf, also known as a bifacial leaf, is a type of leaf structure characterized by having distinct upper and lower surfaces with different functions and structures.
The upper surface of a dorsiventral leaf is called the adaxial surface, while the lower surface is called the abaxial surface. The adaxial surface is usually dark green and is exposed to more sunlight, while the abaxial surface is typically lighter in color.
This structural asymmetry allows for efficient photosynthesis on the upper surface while minimizing water loss through stomata on the lower surface.
Dorsiventral leaves are commonly found in dicotyledonous plants and contribute to their overall shape and function in terms of light absorption, gas exchange, and transpiration.
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Virulence of MYCOBACTERIUM TUBERCULOSIS
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Mycobacterium tuberculosis is a germ that causes tuberculosis (TB), a very contagious and serious illness that mainly impacts the lungs.
The strength of Mycobacterium tuberculosis to make people sick and how bad the sickness is.
What is the Virulence of MYCOBACTERIUM TUBERCULOSISThere are many things that make M (a type of bacteria) very harmful. Tuberculosis is a disease caused by bacteria that affects the lungs and can spread to other parts of the body.
The cell wall is made up of M. Tuberculosis has a special outer layer made up of special fats, like mycolic acids. These fats help the bacteria avoid the body's defense system and can cause a strong reaction that leads to harm in the tissue.
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Simultaneous coevolution on Earth is a result of changes in one system affecting another. Identify one cause and a feedback response.
Soils developed and allowed bacteria and microbes to grow.
Red iron oxide lines in rocks caused greater oxygen production.
Water condensed on the ground and cooled the Earth.
Increased ozone protection from UV radiation allowed animal evolution.
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Increased ozone protection from UV radiation allowed for animal evolution. This is an example of simultaneous coevolution, where changes in one system (atmosphere) affected another (organisms on Earth).
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how is sexual reproduction in plants become evolved to become less dependent on water?
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Answer:
The Gymnosperms and Angiosperms are groups of plants with seed, which means that they don't necessary acquire water for fertilization. ... The sperm (male gamete) of gymnosperms is enclosed in a pollen grain. Thi structure is protected from desiccation and can reach the female organs without dependence on water.
Explanation:
Why is it important to collect data within a range of similar time periods?
Answers
Answer: to make sure that your getting all the right information for your needs
Explanation:
A niche is...A. the role an organism plays within an ecosystemB. the habitat that an organism lives inC. the areas where a species in is competition with anotherD. the food sources that one organism consumes
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A niche of a species encompasses the physicial and environmental conditions that the species requires and, also, the interactions it has with other species. Therefore, the correct answer is A. the role an organism plays within an ecosystem
If you were a mystical creature which one would you be
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What is the biggest part of the brain?
Answers
Answer:
CerebrumExplanation:
The cerebrum is divided into two hemispheres or halves and is the biggest portion of the brain. The cerebrum is in charge of voluntary movement, speech, intellect, memory, emotion, and sensory processing, among other things.
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Background: You are a senior scientist at the CDC. While reviewing reports you see that there is a new infection that has surfaced in a local county. The agent who managed the incident wrote this in their notes:
“…..Infection spreads rapidly through physical contact. Once on the skin, this organism is able to break down keratin and infect the lower portions of the dermis. This organism has a Gram+ cell wall, is circular in appearance and very small. While not a traditional medication, the patient responded well to a drug that targeted mitochondria….” Do you think that this is the best medication to use on the patient? Explain why this medication would or would not work.
Thanks!
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While the notes indicate that the patient responded well to the drug, there is no information provided about the mechanism of action of the drug or the specific type of infection that the patient had. It is also unclear whether the drug was specifically designed to treat this type of infection or if it was used off-label.
Additionally, while the notes mention that the organism has a Gram+ cell wall and is circular in appearance, there is no information about its genetic makeup or other characteristics that could provide insight into the most effective treatment options.
Therefore, it is not possible to say definitively whether the drug that targeted mitochondria is the best medication to use on the patient without further information. As a senior scientist at the CDC, I would recommend conducting further research and testing to identify the most effective treatment options for this new infection.
What can result when winds blow across ocean water
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List the heterozygous offspring that may be obtained if one parent is homozygous and the other heterozygous for a single trait. Include the trait you are using in the explanation.
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Only one type of heterozygous offspring may be obtained if one parent is homozygous and the other heterozygous for a single monogenic trait. For example, if the dominant and recessive alleles are denoted as A and a, respectively, then the heterozygous individual will have Aa as genotype.
What is a heterozygous individual?In genetics, a heterozygous individual is an organism that carries two different alleles for a single gene locus, which may be represented by upper and lowercase letters in a genotype (in this case as the Aa genotype for a monogenic trait).
Therefore, with this data, we can see that a heterozygous individual has two different alleles for a gene.
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Turn the amplitude down to almost zero and wait for the waves to hit the screen. Why does the screen darken?
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When I reduce the amplitude almost to zero and wait for the waves to hit the screen, my screen darkens because it takes longer for the waves to arrive.
What effect does amplitude have on color?The intensity of the color is determined by the amplitude, or the distance between the wave's midpoint and its peak. The more intense and bright the color, the greater the amplitude of the waveform.
Why doesn't changing the amplitude change the color of the light?If you change the frequency of the light, the color changes, but what if you change the amplitude You simply cannot. Photons make up light. All photons with the same wavelength (color) have the same wavelength.
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What does it mean to have five-part radial symmetry?
a. to have five arms
b. to be shaped like a circle
c.to have five equal parts
d.to be round
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The five-part radial symmetry means to have five equal parts. The correct option is c.
What is radial symmetry?Radial symmetry means when the body can be divided into equal parts from its center. Examples of animals that have radial symmetry are coelenterates (starfish, brittle star) and echinoderms (jellyfish, corals, etc.).
Five-part radial symmetry means that the body can be divided into five equal halves. Starfish is a five-part radial symmetry. These symmetries can be observed in many things.
Therefore, the correct option is c. to have five equal parts.
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Avery notices a few small spots on her basset hound where he has lost hair. The skin is an odd color, so she takes him to the vet for an exam. After the vet takes a skin scraping of the Small areas, he explained to Avery that the dog has a type of my that is not contagious. Amite is blocking the dogs hair follicles, causing those patches. What prognosis will the vet most likely give Avery’s dog?A. He will explain that this is localize demonicosis and will clear up on its own.B. He will explain that even though this is localized demand de cos, it will spread to the heart.C. He will explain that this is generalize Demanda Cosas and will need to be treated with medicine.D. He explained that this Infection is generalized demonicosis, but it will resolve on its own
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As the dog only have a few spots, the most likely prognosis is localized demonicosis. So the correct option is letter A.
analyze a horse has 64 chromosomes and a donkey has 62 . a cross between a female horse and a male donkey produce a mule, which is usually sterile.does how many chromosomes a mule have? can you think of any reason for the fact that most mules are sterile?
Answers
Answer:
I'd assume 63 chromosomes
Explanation:
32(half of a horse's chromosomes)+31(half of a donkey's chromosomes)=63 for a mule.
If a solution has a pH of 5.3, how can it be brought to a pH of 7.1?
Answers
The pH value of 5.3 of a solution can be brought to a pH value of 7.1 by adding a buffer standard that contains OH⁻ ions in it. This will make the solution more alkaline.
What is pH?
pH value is a measure of how acidic or basic a solution is. pH is known as the potential of hydrogen. The pH range goes from 0 to 14, with 7 being the neutral. pH value of less than 7 indicate the acidity or that the solution is acidic, whereas a pH of greater than 7 indicates basicity or that the solution is basic. pH value is really a measure of the relative amount of free hydrogen and hydroxyl ions present in the solution.
The pH of 5.3 of a solution can be increased and brought to a value of 7.1 by adding a buffer solution which contains OH⁻ ions in it, adding something alkaline will raise the pH value.
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Which of these is the most sustainable city?
A. Johannesburg, South Africa
B. Helsinki, Finland
O C. Reykjavik, Iceland
D. Gothenburg, Sweden
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Relative Humidity (%)
Heat Index
Temperature (°F)
80 82 84 86 88 90 92 94 96 98 100 102 104 106 118 110
40 80 81 83 85 88 91 94 97 101 105 109 114 119 124 130 136
45 80 82 84 87 89 93 96 100 104 109 114 119 124 130 137
50 81 83 85
88 91 95 99 103 108 113 118 124 131 137
55 81 84 86 89 93
97 101 106 112 117 124 130 137
60182 B
60 82 84 88 91
95 100 105 110 116 123 129 137
65 82 85 89
93
98 103 108 114 121 128 136
70 83 86 90 95 100 105 112 119 126 134
70 83 86 on
75 84 88 92
97 103 109 116 124 132
80 84 89 94 100 106 113 121 129
85 85 90 96 102 110 117 126 135
90 86 91 98 105 113 122 131
95 | 86 93 100 108 117 127
100 87 95 103 112 121 132
Likelihood of Heat Disorders with Prolonged Exposure or Strenuous Activity
Caution Extreme Caution
Danger
External Danger
1. Look at the figure above. What's the relative humidity percentage when the "real feel" is 108°F and the temperature is 96°F?
O A. 40
O B. 65
O C. 95
D. 50
Answers
Answer:
D 50% is the correct answer
A mammalian cell is placed in freshwater and bursts from osmotic pressure. Which of the following explains this process?
A)Water moves out of the cell.
B)Solutes move out of the cell.
C)Water moves into the cell.
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How did dark brown skin evolve from our ancient early ancestors?
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Answer:
Image result for How did dark brown skin evolve from our ancient early ancestors?
Evolution. Due to natural selection, people who lived in areas of intense sunlight developed dark skin colouration to protect against ultraviolet (UV) light, mainly to protect their body from folate depletion. Evolutionary pigmentation of the skin was caused by ultraviolet radiation of the sun.
Explanation:
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Using the table on the right, complete each unit conversion by typing in the correct answer. 85.0 kg = lb
Answers
Answer:
187
Explanation:
Answer:
The answer is 187.
Explanation:
________ can harvest the energy they need through photosynthesis or other processes. Group of answer choices Plants Oligotrophs Autotrophs Cells Heterotrophs
Answers
Autotrophs have the ability to harvest the amount of energy they need through photosynthesis or other processes.
What is photosynthesis?Photosynthesis refers to a biological and chemical process through which autotrophs (green plants) transform light energy (sunlight) into chemical energy.
In Science, the chemical reaction or equation for photosynthesis is given by:
\(Carbon \;dioxide + water + light energy \rightarrow sugar + oxygen\)
In conclusion, autotrophs have the ability to harvest the amount of energy they need through photosynthesis or other processes.
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