Which term best describes an organism that has the genotype ff? '?

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

What is the process of pulling apart an n2 molecule nevermind i got it