Answer:
They include the lipids, proteins, carbohydrates, and nucleic acids.
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Answer: B. Increased human conservation activities.
Answer:
This method is used for separating bran from flour, sand from gravel, pearls of different sizes, etc. Winnowing:The process of separation of lighter particles from heavier particles; with the help of wind; is called winnowing. This method is also used for separating grains from husk.
it is like the brain of the cell, it controls most of what the organelles do.
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