Answer:
Answer: Trigger sorry if it's wrong answer
Answer:
The most obvious and widely publicized barrier to renewable energy is cost—specifically, capital costs, or the upfront expense of building and installing solar and wind farms. Like most renewables, solar and wind are exceedingly cheap to operate—their “fuel” is free, and maintenance is minimal—so the bulk of the expense comes from building the technology.
Answer:
the mantle
Explanation:
2885 kilometers thick and is the middle layer of the Earth
The answer to that is 14 miles
Answer:
C but Humans burning fossil fuel is number 1
