This sounds like a homework or test question. You would have to consult whatever course material you are studying for the answer.
What are two ways that's scientists can study earths climates history
Genealogy, or the study of family history and backgrounds, is a pretty popular hobby. Probably 1 in 5 American families has at least one or two amateur geneaologists.
helller
helller
helller
The two best ways to learn about God is by reading the bible and by joining a church for bible study.
pressure and heat, by greek changing
two types of vibration on woodwind are made from double reed and reed
Food and clothing.
by studying the earth gravity by studying eartquakes
by studying the earth gravity by studying eartquakes
by studying the earth gravity by studying eartquakes