A nephron is the functional unit of the kidney. it is the structure that produces urine which is the process of removing waste and excess substances from the blood. there are about 1,000,000 nephrons in each human kidney.
Answer: This refers to everyday problems and how we struggle to overcome them and when we do and we all face problems we need to and eventually we will over come them
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vitamin D? Im not sure so check in with other people and do some more research.
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Kitchen tools are appliances. When you think of equipment you may things of tools instead.
The answer is D
Because the bottle can be used again
