Nitrogen occurs in air as N2 which is not readily available to organisms.
Many elements occur in nature in various forms. Not all forms in which elements occur in nature are usable. Some forms in which elements occurs can not be used unless they undergo some kind of extraction and purification process.
Two elements are abundant in nature but not in a readily available/usable form are nitrogen and silicon. Nitrogen occurs in air as N2 which is not readily available to organisms. Silicon abundant in soil and is used in making glass but must be processed before it can be used.
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I hope I can help im so sorry I'm so busy so I can't help thanks for the points tho ✌
The correct option is this: Males of one species perform orchestrated dances and sing songs that only attract females of the same species.
Ecological isolation refers to the sexual practice among living organisms, in which populations of living organisms occupy the same ecology or region but live in different habitats and refrain from inter species sexual relationships. There are five types of isolation, these are: ecological, temporal, mechanical, behavioral and geographical isolation.
Behavioral isolation is said to occur when two allopatric species living in the same territory refraining from inter breeding as a result of differences in courtship behaviors.
Placing solar panels on the roof of every home would be beneficial to the environment because solar panels produce energy but not greenhouse gases.
<h3>What are Solar panels?</h3>
Solar panels are structures composed of materials capable of absorbing solar radiation in order to be converted into electricity, thereby representing a renewable source of energy.
In conclusion, Placing solar panels on the roof of every home would be beneficial to the environment because solar panels produce energy but not greenhouse gases.
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Undigested food from the small intestine enters it and reabsorbes the water that is used in digestion and eliminates undigested food and fiber
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