Answer:
<h3>The genes that caused scales to become feathers in the early ancestors of birds </h3>
Ecological succession provides diversity and depth to a biotic community. Without it, life can not grow or progress. ... ( I don’t know if this will help you but here you go. )
What do you mean unit 2.4 ???????????
After holding the weight for so long, the muscle would get tired, in an effort to tell the brain to stop holding the weight because the muscle fibers cannot handle it any more. Lactic acid is a by-product during muscle contraction that leads to the pain.
