Answer:There are four types of complex carbon-based molecules in all living organisms: proteins, carbohydrates, lipids, and nucleic acids
Explanation:Cells are the basic building blocks of living things. The human body is composed of trillions of cells, all with their own specialised function
B-Kidneys
The kidneys act as filters that strain urea and excess salts from the bloodstream to release them in the urine.
Answer:
A. The schnauzer has more fur than the grey wolf.
Explanation:
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