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.
Independent Variable is what you change in an experiment. A Dependent Variable is what you’re trying to find out. Constants are what you keep that same. Control Group is the standards to which comparisons are made.
The box stopped moving because the force stopped pushing . The average speed of the box would be 5 meters per second
Answer:
answer is 100 base pairs long
Answer:sea levels dropped 300 ft
Explanation:gang
