The waste products of respiration are Co2 and H20.
Answer:
The membrane is actually semi-permeable.
Explanation:
The membrane being semi-permeable means that, not all the things come in and out of the cell, only if it's really needed. The cell works in a gradient way, and that means that, to balance things, the cell will put in it a substance in a very high concentration outside of it, just to balance things. And this would happen to potassium, the cell would put it inside to balance this gradient, and once all sides have the same amount of potassium, it will stop, and the gradient is finally equal.
First of all, only hermaphrodites can produce offspring by themselves, and most of the time, they end up being genetically mutated, but either way it is called asexual reproduction
B because you can get cancer badly by smoking people smoke cause of stress the stress makes it worse to smoke
