Answer:
Universe
Explanation:
This should go to physics category
The big bang theory is derived from the observed universe, and the microwave background signal that arrived to earth...
Biotic factors include plants, animals, fungi, algae, and bacteria so the only answer would be invasive species
To inhibit cell division, such as those meant to treat cancer.
Active transport requires energy because it moves molecules across a membrane to a region of lower to higher concentration which is often against their concentration gradient or has an obstructing factor.
