Frogs are said to have two lives because they live on land and in water. When they are born, and then as they grow up to live on land.
The Calvin cycle of photosynthesis starts when the energy of light is processed to chemical energy within the cells of plants. The ATP molecules created power the Calvin cycle. The Calvin cycle utilizes energy to create carbohydrates from h20 and co2.
Answer:
Nucleic acids are macromolecules that store genetic information and enable protein production. Nucleic acids include DNA and RNA.
Explanation:
A large asteroid or comet impacted the earth.
