Answer:
Tropical- rain forests are considered to be the lungs of the Earth due to their role in the carbon-oxygen cycle. The rain forests take in carbon dioxide and release oxygen into the Earth hence, providing the Earth with an abundance of oxygen. The working of these tropical rain forests is just like the working of our lungs, lungs remove carbon dioxide from the body and supply oxygen. Tropical rain forests carbon dioxide for the Earth and supplies it with oxygen.
Latitude and ocean currents are the ones i know.
Answer:
Flagella is a locomotary organ of bacteria whereas cell wall is the outermost covering of plant cell
Explanation:
B) Oxygen may not have been able to accumulate in the atmosphere
So we can protect ourselves from the same virus if it attacks again in the future
