Both a and b is an example of population increase of favored organisms.
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.
It might be an astrocyte, but I'm not sure.
Answer:
A cell uses active transport to move molecules across a cellular membrane when the molecules are being moved against a concentration gradient.
Please mark me the brainliest
