1. the answer is clay
2. the answer is lichens
Specific safety information for managing incidents involving refrigerants and other chemicals like inhalation, fires, spills and more can be found in the Significant New Alternatives Policy or SNAP which is put out by the Environmental Protection Agency or EPA.
Salt marshes<span>, </span>intertidal zones and<span> </span>estuaries
In the given situation, the payback period decreases as the electricity cost increases, i.e., option C is correct.
<h3>What is payback period?</h3>
The payback period is the amount of time required to recover the cost of an investment or to reach the breakeven point for an investor.
Shorter payback periods indicate more appealing investments, whereas longer payback periods indicate less desirable investments.
In the given situation, the payback period decreases as the electricity cost increases.
Thus, the correct option is C.
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