Answer:
Total 495 liters of natural oil are needed.
Explanation:
It is given that Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 5 liters of natural oil for every 3 liters of synthetic oil.
It means the ratio of natural oil and synthetic oil is
Let in order to make 792 liters of Petrolyn oil he needs x liters of natural oil.
It means the ratio of natural oil and synthetic oil is
Equate both ratios,

On cross multiplication we get


Divide both sides by 8.


Therefore total 495 liters of natural oil are needed.
Answer:
Nitrogen is the right answer.
we risk losing due to climate change is food. Thus option C is correct.
<h3>What are the impact of climate change on species ?</h3>
Climate is the crucial factor for all living organism, as it determine whether an organism is going to survive or not.
Global warming is one of the major factor resulted from release of green house gases.
It leads to habitat loss, change the migration capabilities, alter the competitive relationships.
The fate of the species completely depend on climate change, those who are able to move new area with new climatic condition they will meet their physical, biological, and climatic needs.
Thus option C is correct.
Learn more about climate change , here:
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