Answer:
you need a pic, no one knows what you're talking about
Answer:
Excretion is a process by which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys and skin. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. Excretion is an essential process in all forms of life.
Explanation:
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C the region that codes for rna folds
i don't know if this is right i tried
Leaves are the only natural item listed.
Pesticides, smog, and disposable products are not natural.
Fossil fuels are definitely non renewable (such as coal and gas) because they cannot immediately be replenished.
Elements such as wind and water are renewable because they're natural and are regularly produced
