In one or two paragraphs, compare and contrast surface ocean currents and deep water ocean currents in terms of causes and characteristics. PLEASE HELP ASAP

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim

Nh3 +02-no + h20 is unbalanced what is the balanced equation