AIEEE Questions

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The main source of organic matter in soil is the plant and animal tissue that decompose at each level of breakdown.

An interest group is an organization whose members share common concerns and try to influence government policies affecting those concerns. Interest groups are also known as lobbies.

The EPA stands for Environment Protection Agency in U.S which studies pollution and other environmental health hazards.

REM sleep i.e, Rapid Eye Movement sleep is also known as paradoxical sleep because the measures of the brain activity closely resemble waking consciousness, but the person is incapable of moving as the brain is in fully active mode that time.

China shares land borders with 14 different countries, the longest being with Mongolia followed by Russia and then India.

Covalent bonding occurs when pairs of electrons are shared by atoms. Atoms will covalently bond with other atoms in order to gain more stability, which is gained by forming a full electron shell. By sharing their outer most (valence) electrons, atoms can fill up their outer electron shell and gain stability.

Examples of compounds with covalent bonds ::

HCl, CO2, O2,...