Place the stages of a HIGH MASS STAR'S life cycle in the proper chronological order.

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

What is a dendrite and what does it do?

The source of energy shown in the image is (renewable, non renewable, polluting) a drawback of building a dam is that (it will destroy ecosystems, it requires fossil fuels, it won’t be useful for irrigation)