Microeconomics deal with various subjects they are demand, supply, production, elasticity, market etc.
Explanation:
Microeconomics is a branch of economics that deals with the behavior of an individual and a firm , it also deals with how resources will be allocated. Microeconomics deal with demand and and supply of goods , production of goods and its elasticity, market as well as the labor market.
Microeconomics help in economic analysis , it tells how the free market will work as well as it describes how the resources will be allocated so that there will be optimal utilization of resources.
B. Slate can be used on roofs
A
We can rule out B because it would be too strong to have without a perscription
I would recommend writing them down in a notebook and keep re-reading them. If you read over them a lot, you should be able to remember them.