Answer:
Carbon, Hydrogen, Oxygen, Nitrogen
Explanation:
The most common elements present in organic compounds are carbon, hydrogen, oxygen, and nitrogen. With carbon and hydrogen present, other elements, such as phosphorous, sulfur, silicon, and the halogens, may exist in organic compounds.
Maybe you could drop a ball?
Answer:
1.CO2 comes from the composition of air. water from the soil and light from sun.
2.energy is absorbed in form of light - endothermic
3. glucose + oxygen
4. the chemical equation is balanced on both sides