There are several organ systems in the body. One of them would be the respiratory system. There are many more including the heart, digestive, and the skeletal.
Can u please add a little more? I don't know anymore.
Answer:
C. Recycling Glass is an Energy-Saving Practice.
Explanation:
Recycling Helps Keep The World Healthy.
Answer: The correct answer would be B
The levels of an environment to be organized are populations,species,community,and the ecosystem
