Answer:
1. D- Within cultures that rely on milk-producing animals, individuals who tolerated lactose had a survival advantage.
2. B- Genetic drift is the random increase or decrease of certain genes in a population; natural selection is not random.
3. A- An interferon activates the body's immune system response to a virus.
4. D- Each persons immune system employs different tactics to get rid of the virus.
5. D- yes, because mutated viruses are able to infect more hosts.
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Question 3 you could say that…
The closer you are to the equator (30N-30S) the more solar radiation present. This leads to, less clouds appearing in them areas and the climate bring quite hot.
Answer:
When erosion occurs in Southeast Michigan, clay and loamy layer is eroded away first.
Explanation:
When erosion occurs in Southeast Michigan, clay and loamy layer are eroded away first because the soil of Southeast Michigan is clay and loam. In erosion, the layer present on the upper surface of the soil removes by natural manipulation such as flood and strong wind. This erosion causes negative affect on the vegetation.
