Why are different units of measurement used for distances in space?

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air