Answer:
a
Explanation:
by digging up trees and stuff
The advantage of using passive or active solar systems was these systems release low amounts of carbon dioxide or other pollutants. Thus, Option C is the correct statement.
<h3>What is the benefit of using Passive or active solar systems?</h3>
One of the best reasons to use effective solar technology is to reduce your energy bills. Active solar systems can include expensive hardware, and Passive solar systems may create the cost of renovating your home, but a reduction in your utility bills will ultimately outweigh the costs.
Thus, Option C is the correct statement.
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A large area of flat land, that is at a high altitude is called a plateau. An excellent example of a plateau is Tibet.
A scientific theory is an explanation of the natural world on the basis of facts which have been repeatedly confirmed by experiments and observations. <span>Scientific laws are rules that explain observations through either text or mathematic forms. These laws suggest cause and effect from observations and must be repeatable.
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Therefore this would be a fact-supported scientific theory as it is an explanation based upon repeatedly confirmed experiments and observations, unlike Scientific law, which would be mathematical.