Nitrogen in gaseous amount is 78% which is present in atmosphere. It has to be combined with other elements, or fixed, in order to be used by plants. Lightning is one way fixation of atmospheric nitrogen because when lightning occurs, the extreme heat melts the nitrogen molecules bond, allowing nitrogen to combine with oxygen and form nitrogen oxides.
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What is atmosphere?</h3>
An atmosphere is referred to a layers of gases which envelope a planet, and is held in place by the gravity of the planetary body.
By a series of microbial transformations nitrogen is made available to plants, which in turn ultimately sustain all animal life.
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I would say the answer is c or d
Deletion would be your answer isnt this a exam???
Answer:
Seawater is toxic to humans because your body is unable to get rid of the salt that comes from seawater. Your body normally gets rid of excess salt by having the kidneys produce urine, but it needs freshwater to dilute the salt in your body for the kidneys to work properly.
The correct answer is false because a literal analogy is only comparing alike things and a variety of things wouldn't be alike necessarily
