Answer:
21%
Explanation:
To remember this percentage, use the amount of land and water on earth, like this: 3 (land) x 7 (water) = 21
(note: oxygen does not change depending on land or water amount)
Answer:
dangerous loss of blood due to inability to stop bleeding
organ damage due to lack of oxygenated blood in body
heart attack due to partially blocked vena cava
Explanation:
The plasma membrane and several cytoplasmic organelles such as the ER, Golgi apparatus, secretory granules and vesicles, lysosomes, endosomes, form an endomembrane system.
Good luck!
Why do plant cells have chloroplasts and cell walls?
the answer of this question is The cell wall surrounds the plasma membrane of plant cells and provides tensile strength and protection against mechanical and osmotic stress. and
this answer is for the cell wall
The object would need the following
- to be made of cells
-to use energy
-to grow and develop
-to reproduce
-respond to environment
