Astudent conducts a science experiment in which she places four identical plants under four different colors of light: red, white, yellow, and green. she measures their height after a few weeks. under which color of light will the plant grow the least? green red white yellow

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

Tom wants to conduct a scientific study but he needs to finish by the end of the school year. what practical way could tom work around this limitation and be successful in his study?

Strands of genetic material floating in the nucleus are referred to as