What is the answer to 2.5 * 22.5

1. list three scientific reasons cockroaches may fly.

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

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3