- What is an advantage of hydropower energy? *
A. Dams can have a massive negative impact on the ecosystems.
B. It's good for salmon who swim upstream to spawn.
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C. Hydropower is a clean energy.
D. There is plenty of water and unless the river of lakes dry up.

the answer is "a.) well–developed vascular system."

explanation:

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation:

a) carbon, hydrogen

b) carbon, hydrogen, oxygen, nitrogen

c) carbon, hydrogen, oxygen, nitrogen, phosphorus

d) sugar

e) amino acid

f) nucleotide