Answer:
A
Explanation:
Carbohydrates is your body's main source of energy. They help to fuel your brain, your kidneys, your heart muscles, and your central nervous system.
Answer:
Classification system changes because the scientists find new evidence in their studies.
Explanation: The world is always changing and growing and dying as well as developing, so over time things change. For example, as you grow up do you stay the same? No, you notice the physical changes happening, well thats sort of like how the earth and its ways are always changing as well.
Answer:
B is the answer...............
The answer is b) raccoon!
only 10% of energy is passed to organism from the food.
so the raccoon, which is the highest in the food chain, will have the lowest amount of energy.
hope this helps!!