Temperature and salinity both influence the movement of water in deepwater currents.

what is the best description of ocean water at the poles?
a. cold and low salinity

b. cold and high salinity

c. warm and high salinity

d. warm and low salinity

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.

answer; the male's sperm cells have mitochondria, but because the sperm contributes dna but no cytoplasm, no mitochondria are passed to the egg at ferilization;