I need help in Science 1)List the ion symbol for the following elements: Sodium, Magnesium, Chlorine, and Oxygen

2)Is Li+ a cation or anion? Explain your answer.

Plzz hurry im being timed during times of vigorous physical activity, muscles require a constant supply of oxygen. how does the body respond to these needs? a. breathing rate and heart rate both decrease. b. breathing rate and heart rate both increase. c. heart rate decreases, but breathing rate remains stable. d. breathing rate increases, but heart rate remains stable.

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?

How are mitosis and meiosis similar?