Which of the following actions contribute to environmental health? a
keeping your air and water clean
b
keeping your food safe
c
keeping your surroundings safe and enjoyable
d
all of the above

D all of above

Explanation:

it is D because keepin air and water clean consists of keeping a healthy environment and keeping your surroundings safe and enjoyable also consists of a healthy environment

i think it's the first one because doctors aren't the ones who get rid of the old needles. most of them time it's not even doctors who give you shots, it's nurses.

a progressive heart disease that affects pumping action of the heart muscles.