What happens in the negative impact of human water use?

Which is required for sexual fissiondiploid cell productionmeiosis

How does the diagram explain ocean currents? earth tilt 23.5 degreesquestion 1 options: earth's tilt causes uneven heating of earth which causes currents. earth's tilt causes the ocean to move because of gravity. earth's tilt and its rotation cause currents. earth's tilt causes uneven distribution of salt which causes currents.

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities