Which activity would be within the field of biology?
a. measuring the amount of time it takes light to reach earth from the distant star
b. doing research how plastic affect the environment
c. study on the manufacture of plastic bags.
d. studying the mechanics of how ships release waste

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Afisherman is dragging his boat from the shore out into the ocean. match the following lists of areas he will move over in the correct order. continental rise continental slope continental shelf [tex]1.[/tex] [tex]2.[/tex] [tex]3.[/tex]

Cancer cells spread to other parts of the body by entering the bloodstream. which of the following organs could prevent a cancer cell in the bloodstream from spreading, and why? a. the spleen, because it releases lymphocytes into the blood b. the peyer's patches, because they release lymphocytes into the blood c. the lymph nodes, because they release lymph into the blood d. the thymus, because it releases lymph into the blood