Answer:
Animals release carbon dioxide into the air, and plants take it in.
Explanation:
The existence of plants and animals on the planet is important in maintaining life. Animals release carbon dioxide as waste through the respiratory system. The carbon dioxide that is released is then taken in by plants, which they use to produce their own food through a process called photosynthesis. The by product of that process is oxygen which is released in the atmosphere and animals take it in.
It might be 23% because 77% of water covers earth and most of the water is either polluted or salt water.
Answer:
an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
Explanation:
Problem solving I believe