In which stage of cell respiration is fadh2 produced?
a. glycolysis
b. prep reaction
c. citric acid cycle
d. electron transport chain

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point