How does human waste impact the water cycle?

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

What was darwins theory of common decent

Will give ! ! widentify the advantages and disadvantages of renewable and nonrenewable energy resources.