Answer:
Because animals cannot produce energy directly from the sun, they must eat plants or other animals that eat plants, and acquire energy, either directly or indirectly, from glucose
Explanation:
Muscles - they are meat, and animals will eat the meat. They also decompose, leaving no trace of the remains.
1. Radiation - energy transmits through particles that ionize. Conduction - heat is transferred through a substance without moving the material. Convection - transfer of heat through movement.
2. Earth receives energy from the sun, which is transferred between Earth and its atmosphere.
3.<span>Wildland fires, dust storms, and volcanic activity. They release CO2, CH4, N20, and sulfur dioxide.</span>
4. Burning coal, releases carbon dioxide and other pollutants. Gasoline, releases air pollution. Factories, releases carbon dioxide, methane, and nitrous oxide.
Enzymes help speed up chemical reactions in the human body. They bind to molecules and alter them in specific ways. They are essential for respiration, digesting food, muscle and nerve function, among thousands of other roles.
