Answer:
1. A thin layer of hydrogen and helium that was blown off by solar wind.
2. heavily water vapor.
3. mostly carbon dioxide and methane.
4. mostly nitrogen and oxygen.
Hi if the answer is wrong am sorry I tried but if it is correct then I'm happy I helped
Answer:
Villi, alveoli and nephrons are similar as :-
B. They provide large surface areas for molecular exchange.
hi, the answer is b, line segment GH
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Answer:
Blood carries carbon dioxide back to our heart and lungs, oxygen back to heart and out to the body
Explanation:
With stabilizing selection, the phenotype for a trait does not influence survival. Stabilizing selection reduces the amount of variation in a trait.
Disruptive selection increases the amount of variation in a trait. With stabilizing selection, extreme individuals have high biological fitness.