Answer:
Can you tell me the question in the comments on this answer or like how you do it then ill answer you in the comments under this answer
Answer:
C.) 35
Explanation:
The mass is made up of the total protons and neutrons in an atom. Protons and neutrons both have a mass of 1 amu. Electrons are not included in this measurement because they have an insignificant mass (practically 0).
(17 protons x 1 amu) + (18 neutrons x 1 amu) = 35 amu
Therefore, if an atom contains 17 protons and 18 neutrons, the mass should be 35 amu.
Diffusion, facilitated diffusion, filtration, and osmosis
Answer:
The main function of the cell membrane is to protect the cell from the outer environment.
