What are some
drawbacks of hydroelectric
plants?

hydropower has the ability to generate electricity without emitting greenhouse gases. however it can also cause environmental and social threats such as damaged wildlife habitat, harmful water quality, obstructed fish migration and diminished recreational benefits of rivers.

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high