Answer:
In this experiment, you changed the number of worms in the soil and measured the effect of this change on the plant growth in the population.
The independent variable was the number of worms, and the dependent variable was the plant growth.
Explanation:
right on edge!
By moving substances across membranes, transport proteins make everything from nerve impulses to cellular metabolism possible. Without transport proteins, for example, the sodium-potassium gradient that allows our nerves to fire would not exist.
Answer:
well A is a disturbance that transfers energy from one place to another. Waves can transfer energy over distance without moving matter the entire distance. For example, an ocean wave can travel many kilometers without the water itself moving many kilometers. The water moves up and down—a motion known as a disturbance. I hope dis helps :3
