Yes......................
Answer: D. They are the coldest stars.
Explanation:
It is important to maintain septic systems in order to <span>prevent untreated sewage from contaminating groundwater</span>
Some benefits to solar power:
Isolated power is very abundant on earth.
Is very sustainable (5 billion years of good use)
Eco friendly excluding panel production.
Some disadvantages:
Very expensive to set up
Takes up a lot of space per person
Requires exotic materials to construct
Energy storage is difficult with solar cells compared to fossil fuels.
