Choices 1, 2, and 3 all emit carbon dioxide, not enough to destroy the planet, but they still can cause it over a large amount of time, due to Carbon Dioxide being a greenhouse gas. Therefore, the answer is 4. Bicycles do NOT emit any carbon dioxide at all.
Anything that the cell does require energy also known as ATP so the process of breaking down ATP uses ATP and vice versa
2. To focus a microscope using the high power lens you must first in low power center the specimen and make sure it is in focus. Then switch to high power and adjust using the fine adjustment or the smaller knob.
3. It prevents dust from settling on the scope and in the lenses.
Answer:
A chromosome is a deoxyribonucleic acid molecule with part or all of the genetic material of an organism
Explanation:
I belive they are to grow, repair, and reproduce.
