Miranda is observing the nesting behaviors of different species of birds in a certain ecosystem. After observing two birds, she concludes that birds in that ecosystem all build their nests on low branches of trees.

d) center of the mid-ocean ridge

give brainleysest

sinserly,

steckh986

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.