L*W*H should be your answer
Answer:
Climate change affects the Earth, while the others listed have more of a local effect only affecting the part of the Earth where they are occurring
zinc = vision problems
calcium = bone thinning
vitamin a = poor wound healing
potassium = problems with fluid balance
Mechanical digestion is the breaking down of food into smaller pieces physically. Mechanical digestion begins in the mouth as the food is chewed.
but in the case of chemical digestion, it breaks the food into simpler nutrients that can be used by the cells. Chemical digestion begins in the mouth when food mixes with saliva.
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Hope this helped
and ur welcm