In a swimming pool, the pH is 5.5. The pH is supposed to be 7.0 for the safety of the swimmers. What should be added to the pool to reach the desired pH?

Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.

When a scientific theory has been tested and proved by the scientific community, it becomes a law

How does the motion of particles in a gas change as the gas cools