Four mechanisms common in the human body are described below. Which of these is controlled by a negative feedback loop

answer: b.

explanation:

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

hope this : d

truck y has a greater velocity than truck x.