Answer:
I am pretty sure it would be A
If the element has not become an ion yet, then there is 73 electrons.
Number of protons = number of electrons**
**only when the element has not form an anion or cation.
A cell membrane is compared to a window screen because of its translucent properties. Like it allows oxygen to come through or it resists invader who tries to come into the cell.
Your answer is Cell membrane.
Answer:
Behavior
Explanation:
Behavior means its basically adapting to the environment and responding in a certain acting or (behavior). Hope this helps :)