In an experiment, scientists control the

variables
controls
biologicals
hypotheses

The type of cloud shown here may produce heavy rainfall. this type of cloud most likely occurs in an area of the sub-saharan that is a) often dry. b) often wet. eliminate c) very windy. d) usually cool.

How does a long war with a high number of casualties generally affect civilians’ and soldiers’ opinions of their government?

Can i have all the nicknames of all 50 states of usa?