The independent variable is a variable that can be stood alone. So therefore, the independent variable would be how long it takes to parachute.
I think it might be lyosomes as they help break down waste and other stuff in a cell.
Once this initial energy is added, the wave travels through the medium until all its energy is transferred. In contrast, electromagnetic waves require no medium, but can still travel through one.
The answer is guard cells.
Guard cells are cells surrounding each stoma. They help regulate the rate of transpiration by opening and closing the stomata. They are specialized cells in the epidermis of leaves, stems and other organs that are used to control gas exchange. They are produced in pairs with a gap between them that forms a stomatal pore (stoma).
Answer:
Explanation: B IS THE CORRECT ANSWER THAT BIT*H PICKED THE WRONG ANSWER
