Answer:
The cell membrane
Explanation:
The Cell membrane protects the cell and lets and lets out certain things.
Answer:
I think it is the atomic mass, or the atomic weight.
Explanation:
The number above the symbol is the atomic mass (or atomic weight). This is the total number of protons and neutrons in an atom. The number below the symbol is the atomic number and this reflects the number of protons in the nucleus of each element's atom.
(I'm so sorry if I'm wrong)
Hope this Helps!
Answer:
Which of the following is
an example of a null
hypothesis?
C. Spending more time studying for a
test will increase your test score.
xXxAnimexXx
Happy Labor day!
Answer: the steel wool in the 3.0 M HCl reacts fastest.
Explanation: