Worth 39 points
suppose that you are a scientist who studies climate changes.â while examining the rings of tree trunks, you notice several very large tree rings.â what can you conclude about the climate during those years? â

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

Which describes the changes in the earths motion?

What is the goal of cellular respiration