Three groups of students in Mr. Walker's science class were assigned the task of designing an experiment to test for the solubility of an unknown crystal. Two of the groups want to use volume to measure the amount of crystal and one group wants to use mass to measure the amount of crystal. Is it better to use volume or mass?

Plzzz hurry im being timed ! humans, like other organisms, require energy for growth and repair. when cells create atp for energy, carbon dioxide is produced as a waste product. how does the body respond to this process in order to maintain homeostasis? a. the digestive and respiratory systems interact to move carbon dioxide to the lower intestine, where it is transformed into methane. b. the circulatory and digestive systems interact to move carbon dioxide to the stomach, where it to break down food. c. the nervous and urinary systems interact to move carbon dioxide to the kidneys, where it is absorbed into the bloodstream. d. the circulatory and respiratory systems interact to transport carbon dioxide to the lungs, where it is expelled from the body.

Which organelle releases chemicals that break down large food particles into smaller ones?

The same agricultural practices are used in every country of the world. select the best answer from the choices provided t f