Answer: I don't really understand what you're asking, but arthropods have 8 legs.
Competition shapes communities because it is something that people must learn to help eachother out with
I had to take a screenshot of my response since it was getting flagged for being inappropriate for some reason.
Answer:

Explanation:
An element only has <u>one</u> type of atom and cannot be broken down by chemical means.
Let's analyze the answer choices.
1. This has two types of atoms, so it cannot be an element. It has more than one type of atom.
2. This has two types of atoms that are bonded together. It cannot be an element because there is more than one type of atom and the bonds can be broken.
3. This has one type of atoms, so it is an element.
Therefore the best answer choice is 3.
Answer:
That cells are not the building block of life
Explanation: