D - birth control is the most widely accepted method
Answer: hydrosphere, cryosphere, geosphere
Explanation:
Matthias Jacob Schleiden was a German botanist who, with Theodor Schwann, cofounded the cell theory. In 1838 Schleiden defined the cell as the basic unit of plant structure, and a year later Schwann defined the cell as the basic unit of animal structure.
Answer: Stars?
Explanation: I think it is stars because there is only one star in our solar system. I don't know for sure if it is, but I think it is. Don't be too sure of my answer.
Answer:
Population
Explanation:
A population is a group of organisms of the same species that live in the same area at the same time.
