Which of these is an example of nonpoint-source pollution? A. A textile factory
B. A city's traffic
C. An oil refinery
O D. A car repair shop

Which of the following typically characterizes a tropical rainforests

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

Label all the places where dna is located in the plant cell and in the animal cell. dna