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OlgaM077 [116]
2 years ago
10

Plants use what from air to make nitrogen

Biology
2 answers:
worty [1.4K]2 years ago
8 0
The answer is carbon
Gre4nikov [31]2 years ago
4 0
Carbon         

<span><span>A student believes that a beverage improves memory. Two groups of students will be given a beverage before they take a test in class.  </span>
Which of these is the best way for the student to design the experiment?
<span><span>A.<span>One group should be given the beverage, the other group should be given water.
</span></span><span>B.<span>One group should be given beverage, the other group should be given diet version of the beverage.
</span></span><span>C.<span>One group should be given a math test, the other group should be given a science test.
</span></span><span>D.<span>One group should be given the beverage, the other group should be given beverage diluted in water.
</span></span></span></span>
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Explanation:

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