Answer:
Bipedal posture allowed arms to be free to develop and use tools.
Explanation:
Heyy there.
I'm thinking that it would be B. or D. but idk exactly which one it is.
I hope you figure out wat it is.
B. Thinnest under the oceans and thickest under continents
D. Least dense layer overall, consists of two layers of different thickness
Good Luck and enjoy the rest of ur day!! ^^
<h2>Answer:</h2>
The pH of the pond water and survival rate of animal species living in the pond has a direct relationship with each other. Animal species can survive at a specific level of pH"Optimum pH" at which these species can show their maximum activity.
If we decrease the pH the pond water will become more acidic and it will become challenging for species to survive in the acidic environment and if we increase the pH the water becomes more alkaline and again it affects the marine life. So, the pH of pond water should be in normal ranges.
They both tried to explain evolution, but Darwin was able to support it with evidence.
Hope this helps!
The correct answer of the given question above would be PROTEIN. The macromolecule that is involved in nearly every function in the human body is the protein. I<span>f there is a shortage of carbohydrates or lipids, proteins can serve as an energy source. It is also essential in building muscle mass. Hope this answer helps.</span>
