My brother put random letters for points.
yall have em back please lol.

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?