A. purchase a reusable grocery bag. This is because, instead of throwing away the food, you are using it for something else. C and D are incorrect, because you are still wasting reusable materials, and B isn't correct, because --although reusing food for compost helps -- it wouldn't end up going to a landfill.
Answer:
The cytoplasm is a jelly like substance that supports and suspends organelles and molecules inside the cell. It also helps move and dissolve materials throughout the cell including waste molecules, proteins, and hormones.
I hope this helps! I tried to keep it short and simple. :)
The cell membrane is what surrounds a cell and allows water to pass through.
Answer:The Ozone Hole. One billion years ago, early aquatic organisms called blue-green algae began using energy from the Sun to split molecules of H2O and CO2 and recombine them into organic compounds and molecular oxygen (O2). ... As oxygen in the atmosphere increased, CO2 decreased.
