An acid because if its less than 5 its an acid
A .Structurally support the cell
B.Store nutrients for the cell to consume
C. Produce ATP to provide energy for the cell
D. Selectively allow some materials into the cell
It would be A
The Cell membrane is like a wall it allows things to pass though regulated.
Hope that helps
The micro organisms are found in
<em><u>hot springs
</u></em><em><u>soil
</u></em><em><u>snowfield
beneath earth
rocks
inside roots
swamps
water...
</u></em>
Answer:
If you've noticed that you're often sick, feel fatigued or have other nagging symptoms you can't figure out, it may mean your immune system is weakened (OwO)
Explanation:
Your immune system can also be weakened by smoking, alcohol, and poor nutrition. AIDS. HIV, which causes AIDS, is an acquired viral infection that destroys important white blood cells and weakens the immune system. People with HIV/AIDS become seriously ill with infections that most people can fight off.
The best answer is A
Saltwater fish are hypotonic to their surroundings. This means their blood has a higher water concentration than the surrounding sea water.
Due to the fact that there is more salt and less water outside their bodies, there is a tendency to take in salt and lose water.
To counter this, salt water fish drink a lot of the sea water and urinate very little. Special cells in the gills actively eliminate salt at the cost of extra energy and these fishes do not absorb any salt from the water they drink.
