Unicellular organisms excrete waste by a contractile vacuole. A vacuole is membrane-enveloped organelle in a cell that is found in lots of microorganism. It expands, filling with water then contracts, removing all of its contents to the exterior of the cell.
Lytic Cycle Hope this helps! :D
The answer is B. The planets were all formed from dust that was orbiting around the sun.
I think it is to D. to explain
Answer:
I'm not sure but maybe for the first it's less than 3% and for the second it's equal to 3%?
Explanation:
