Is Monkeys have a prehensile tail that allows them to grab and hold onto tree branches a structure or behavior adaptations

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

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

Me the formula cacl2 represents the compound