Explain how your fluid balance is maintained even when you
exerciseand lose fluids by sweating.

When we engage in physical exercises and we sweat the body tries to return to its optimal temperature, as sweat evaporates from the skin, heat is removed from the body, but the body also loses body fluids, therefore one needs to take lot of fluids during exercise as this will help replace the fluid that is lost during sweat.

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.