True or False: In a normal fault, the block of rock that lies above is called the footwall and the one below is
called the hanging wall

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

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