Answer:
Considering the boys' situation, the boys live in the rural areas of one of the western United States, e.g. California.
Explanation:
Hantavirus is spread by rodents and is most common in rural areas of the western United States during the spring and summer months. Hantavirus pulmonary syndrome also occurs in South America (especially in Argentina, Chile, Uruguay, Paraguay, Brazil, and Bolivia). Hantavirus cases have also occurred in Canada and some parts of Asia, where they reportedly caused kidney disorders rather than lung problems.
We can rule out small fish and grasses. My guess is that zooplankton get their energy from phytoplankton, because phytoplankton use photosynthesis to get their energy.
B. DNA replication is the most similar to PCR
The answer is “Variation that decrease reproductive success are more likely to be passed on.”
Answer:
because your body is fighting against the disease
