Which of these is true about acid rain? a. it is caused by carbon monoxide mixing with water in the atmosphere

b. it has a pH of 8 or above

c. it can have a negative effect on plant life

d. all of these above are true

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.

The diagram shows a chicken embryo and a human embryo

When a chemical spill has occurred on your clothes you should 1. scream for 2. run under the shower and turn it on 3. use the eye wash station 4. grab the first aid kit