number 2 is for question 1
number 1 is for question 3
number 4 is for question 2
number 3 is for question 4
Answer:
the cell membrane
Explanation: Cell membrane protects animals cells from harmful chemicals. Explanation: The cell membrane is a tough covering composed of the phospholipids and proteins and forms a bilayer around the cells
mrk me brainliest please
Answer:
C
Explanation:
Unrealistic means not realistic, or that it probably won't happen. If you set unrealistic goals, you will get discouraged and stop doing it because you probably won't be able to.