Answer:
As you age, your brain and nervous system go through natural changes. Your brain and spinal cord lose nerve cells and weight (atrophy). Nerve cells may begin to pass messages more slowly than in the past. Waste products can collect in the brain tissue as nerve cells break down.
Explanation:
Answer:
Yes
Explanation:
Yes, because everytime an animal eats another animal or plant the energy that was inside that plant or animal transfers to the consumer.