How many and what type of people are likely to have the disorder?

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

Approximately how much solid waste do americans produce annually? a) 250 tons b) 250 thousand tons c) 250 million tons

During which phase does the dna make a copy of itself?