Quotas will reduce imports, and help domestic suppliers. However, they will lead to higher prices for consumers, a decline in economic welfare and could lead to retaliation
Answer: experimenting with multiple substances
Explanation:because it says melting point of a new substance so that is the project there is no need to try it out with other substances if what he is trying to find is one
I'm going to assume you answered your own question.
The first 9 is in the tens place and the second 9 is in the ones place. Hopefully I helped