Answer:
A: Bioaccumulation
Explanation:
It accumulates (builds up) in you, its bioaccumualtion.
The respiratory and circulatory systems are close together by working and relying with each other. The respiratory system imports oxygen from the air and that oxygen goes through out the body by the circulatory system pumping the oxygen. That creates carbon dioxide, which the respiratory exports from the body.
Answer:
Mass extinctions happen because of climate change, asteroid impacts, massive volcanic eruptions or a combination of these causes. One famous mass extinction event is the one that lead to the extinction of dinosaurs, 65 million years ago.
Explanation:
1. Step 1 The Sun emits energy.
<span>2. Step 2 Plants absorb energy from the Sun and use it for photosynthesis. </span>
<span>3. Step 3 A rabbit eats the plants and uses the energy for growth and respiration. </span>
<span>4. Step 4 A fox eats the rabbit and uses the energy for growth and respiration. </span>
<span>5. Step 5 The fox dies and is decomposed. </span>
