The answer is Permian-Triassic extinction.
The Permian-Triassic extinction was 252 million years ago. It is known as The Great Dying because about 95% of all species died out due to environmental changes (volcanic eruptions, dry climate, melting of ice sheets, etc). This is also the only event in which many insect species wiped out.
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Bacteria that change nitrogen gas from the atmosphere into solid nitrogen usable by plants are called nitrogen-fixing bacteria. These bacteria are found both in the soil and in symbiotic relationships with plants.
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What causes ocean waves? Ocean waves are created by the transfer of energy from the atmosphere to water. Most water waves are generated by wind moving over the water's surface that creates fractional drag. ... The water molecules within deep water trace a series of circles that extend below the surface of the wave base
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