Word bank: Energy is needed
Osmosis
Endocytosis
Proton pumps
ATP required
Exocytosis
Moves water
High to low concentration
No energy needed
Facilitated diffusion
With concentration gradient
Moves molecules across membrane
Against concentration gradient
Moves large particles
Diffusion
Low to high concentration
No ATP required
Uses membrane proteins

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.

bal is blood alcohol level. bac will normally be higher in a person with more body fat. so the answer to your question would be, as body fat decreases, the increasing rate of bal decreases.