Answer:
If water gets into a crack in a rock and then freezes, it expands and pushes the crack further apart.
Explanation:
Answer:
They can stick toothpicks in to a seed and place it on top of a glass of water where half of the seed is in the water. then you set it by a window.
Explanation:
The answer is C, sexual: meiosis, crossing over, and random assortment of chromosomes; pollination
Eliminate
When two experiments are identical except for one variable, the experiment is called a controlled experiment
Answer:
When you study the ecosystem, you understand the way things work. This can help you know how to keep things that belong in the ecosystem safe.
