Fist one correct.
second wrong because not all heat is used for work, some of it lost to other.
third wrong because fuel burn inside is called combustion engine
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It depends on what kinda "goods" your talking about clothes they don't have a choice cause material costs a lot overall it's their way of getting a lot of money because some people do fall for the prices and their is a lot of competition around some businesses
Answer
The answer and procedures of the exercise are attached in the following archives.
Step-by-step explanation:
You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.
Answer:
Risographs can produce up to typically 150 pages per minute. So I'm guessing its c.
Explanation:
