Answer:
1. gravitational potential energy to kinetic energy
2. chemical energy to mechanical energy
Added a picture for proof :) I just took the test
From what i have learned or at least i remember its true
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Wings would be different in human and pigeons.
Answer:
Explanation:
While passing through renal tubules, water and a lot of other substances are reabsorbed making filtrate concentrated. This also gradually results in an increase in the concentration of urea as it is not reabsorbed like water or glucose. Some substances like K+, H+ are also secreted (not urine).
