The movement of substances across the cell membrane either into or out of the cell
Sports drinks contain water, sugar and mineral ions at levels which are most effective at maintaining performance as well as this it also replaces the glucose and maintaining the correct ion/water balance for cells to function effectively.
Answer:
Schleiden, Schwann, and Virchow are the 3 major contributors to the cell theory.
Rainwater picks up carbon dioxide from the air and as it percolates through the soil, which turns into a weak acid. This slowly dissolves out the limestone along the joints, bedding planes and fractures, some of which become enlarged enough to form caves.
