Answer:
assist with flood control
The Van Allen belts are created by a planet's magnetic field. Therefore C. Earth's magnetosphere is the correct answer
Answer:
Cells are so little, so they can maximize their ratio of surface area to volume.
Explanation:
Smaller cells have a higher ratio which allows more molecules and ions to move across the cell membrane per unit of cytoplasmic volume. Cells are so small because they need to be able to get the nutrients in and the waste out quickly.
Answer: B
Explanation: During cell division, chromatin condenses to form chromosomes.
