The system helps us to break down our food. A. digestive

B. muscular

C. circulatory

A.digestive

Explanation:

Food is broken down by the digestive system to give energy to every cell in the body. The digestive tract starts at the mouth and ends at the anus.

A. digestive

Explanation:

Even if you chew the food, sometimes the food isn't break down properly. The digestive system would help break down food into tiny pieces.

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. ph changes the ability of them he enzyme to dissolve in water.

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.