Conversion of nitrogen into a useable form is known as __________

Biology

1 answer:

IRINA_888 [86]3 years ago

5 0

Answer:

Nitrogen is converted from atmospheric nitrogen into forms, such as NO2-, in a process called fixation. The majority of nitrogen is fixed by bacteria, a lot of which are symbiotic with plants.

Answer: Fixation

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Most metamorphic processes take place

natka813 [3]

Most metamorphic processes take place B. a few kilometers below Earth’s surface.

<h3>Further explanation </h3>

Metamorphism is the change of minerals or geologic texture in pre-existing rocks without the protolith melting into liquid magma. Metamorphism often occurs on two scales: contact and regional. Contact metamorphism occurs locally in areas adjacent to igneous intrusions or in areas that are in contact with hot water known as hydrothermal fluids. Whereas regional metamorphism occurs over much larger areas such as rising mountain ranges, large igneous intrusions can form and warp overlying strata increasing the pressures above the intrusion. Regional metamorphism usually produces foliated rocks such as gneiss and schist.

There are other ways that metamorphic rocks can form, Dynamic metamorphism. Dynamic Metamorphism also occurs because of mountain-building. The huge forces of heat and pressure cause the rocks to be bent, folded, crushed, flattened, and sheared.

Metamorphic rocks form when increased heat and pressure force physical changes in the crystalline structure of an existing rock. Under the right conditions, any type of rock can become a metamorphic rock including igneous rocks, sedimentary rocks, and even other metamorphic rocks. Therefore metamorphic processes result due to intense heat and high pressure below the Earth's surface.

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