Help me pls.
I will MARK AS BRAINLIEST.

Which of the following is a health risk associated with ground-level ozone? a. cataractsb. skin cancerc. respiratory illnessd. all of the above

The first step in treating water from a river or lake is usually

Select the correct answer. gina's father has diabetes and takes insulin. he recently had a liver transplant, after which he was put on anti-rejection medicines. this has made his insulin less effective. which term best characterizes gina's father's situation? a. drug synergism b. drug antagonism c. drug misuse