Answer:
During the Krebs cycle, pyruvic acid is broken down into carbon dioxide in a series of reactions that give off energy. The high-energy electrons that are produced are picked up by a series of electron carriers, and the energy is used to convert ADP into ATP.
Explanation:
Answer:
No harm upon ecosystems or the environment, prevention of any harmful contributions to air, water and land pollution.
Answer:
Oldest fossils ever found show life on Earth began before 3.5 billion years ago.
Explanation:
Became increasingly greek
They're plant cells. The green organelles should be chloroplast. They're responsible for photosynthesis.
