Which describes a non-point source of pollution?
A. accumulation of oil in a stream next to a gasoline station
B. chemical spill in a river next to a manufacturing complex
C. runoff from a road into a nearby stream
D. liquid fertilizer flowing from a barrel into a stream

Describe five factors that influence the value of fuel

One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions,because prokaryotes don't have nuclei.

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel