What can radiometric dating reveal

a. the absolute age of a fossil

b. the transitional age of a fossil

c. the relative age of a fossil

d. the average age of a fossil

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

Fill in the blank with the best word to complete the sentence. white blood cells protect against and aid in blood clotting when injuries are sustained.

Why are some places regularly warmer or cooler than others in a given month