What about a water molecule make it a polar molecule?

in water molecule ,hydrogen is bond with oxygen , which is more electronegative element .the oxygen attract the electron itself and then    negative charge is form on oxygen and on hydrogen positive charge is formed due to which two poles are formed thatswhy it is a polar molecule.

Explanation:

the pic attached shows the stages of mitosis. hope it !

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.