Answer:
D. tip his head back farther to open his airway.
Explanation:
Tilting the head farther back moves the tongue away from the back of the throat, allowing air to enter the lungs.
SS and ss. Since 100% of the offspring are spotted, then it would need to be SS so that it dominates over all. :)
The folds of the mitochondria
Answer:
I think humans and whales are closely related on the evolutionary tree because they are both mammals and both have endoskeleton
