a car travels down a highway with a north velocity component if 15.0 m/s and an each velocity component of 50 m/s. What is the resultant velocity vector

i do not get it   at all

i think that the answer is c

answer: cellular respiration takes in food and uses it to create atp, a chemical which the cell uses for energy. usually, this process uses oxygen, and is called aerobic respiration. it has four stages known as glycolysis, link reaction, the krebs cycle, and the electron transport chain.