Answer:
D
Explanation:
The centrosome where they are paired structures lying at right angles to one another. In this context they are possibly involved in spindle assembly during mitosis.
Answer:
Explanation:Three types of respiration include internal, external, and cellular respiration. External respiration is the breathing process. ... Cellular respiration involves the conversion of food to energy. Aerobic respiration is a cellular respiration that requires oxygen while anaerobic respiration does not.
<span>a. mountain ranges, b. volcanoes c. deep-ocean trenches</span>