EVERYDAY SCIENCE

Detailed explanation-1: -The atmosphere contains the gases that surround the terrestrial and maritime biomes within the biosphere. In the atmosphere the main elements are hydrogen, nitrogen, oxygen and carbon. Oxygen is the most prominent element and allows for the organic life, such as humanity, to exist on the Earth.

Detailed explanation-2: -Oxygen, nitrogen, hydrogen, and carbon are the most abundant elements in Earth’s biosphere.

Detailed explanation-3: -The biosphere supports all life on Earth, 3 to 30 million species of plants, animals, fungi, single-celled prokaryotes such as bacteria, and single-celled eukaryotes such as protozoans.

Detailed explanation-4: -The biosphere includes all life on our planet. It is not only all the things that are living, but also the remains of organisms that have died and not yet decomposed. It also includes the regions of the other parts of the Earth system (atmosphere, hydrosphere, geosphere) occupied by living organisms.

Detailed explanation-5: -Tundras. Prairies. Deserts. Tropical rainforests. Deciduous forests. Oceans.