The answer that you are looking for is A. Nephrons
Oxygen in the air can cause sliced fruit to brown, a process called enzymic browning (an oxidation reaction). Phenols and the enzyme phenolase are found in the cells of the apple, and when these are exposed to oxygen in the air, for example through slicing, the oxygen causes a reaction.
Answer:
Uhhh that sentence contradicts itself....
Explanation:
How can they see you without seeing you?
The fat - to - lean ratio being very high is the result of very limited movement wherein a lot of unused energy becomes stored as fat. So, from the given choices above, Peter should increase his participation in the cardiorespiratory activities. The answer to the question is letter C.