I think option 4 okay coper thnaks u
Homeostasis:
<em>The tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes</em>
The answer is B.
If you put one plant in wet soil, and one plant in dry soil, you can prove or disprove your hypothesis as the plants grow.
Answer:
Angle of isolation.
Explanation:
If the Earth was flat all the rays would strike it at 90 degrees.
