When acid precipitation occurs, it effects Earth in a few ways. One way is that when the acid rain soaks into the soil, it removes the nutrients that plants rely on. This, in turn, damages a lot of vegetation. Another way is that it raises acidity levels in water. The higher the acid levels, the more it harms the organisms living in water.
I think this sounds alright
Info from: https://www.eartheclipse.com/environment/critical-effects-of-acid-rain.html
Answer:
The unaffected mother, who is marrying in, does not carry an allele for the disease; so the affected child inherits an allele only from the affected father. No child could be affected by a single autosomal recessive allele, or X-linked recessive allele, so the trait is dominant
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