Unit 2 Review

Flashcard
•
Science
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What happens to trade winds during an El Nino?
Back
Trade winds are typically weaker during an El Nino.
2.
FLASHCARD QUESTION
Front
How is nitrogen fixed into a usable form for plants?
Back
Nitrogen is fixed into a usable form for plants through the action of bacteria and lightning.
3.
FLASHCARD QUESTION
Front
What is precession in the context of Milankovitch Cycles?
Back
Precession refers to the change in the orientation of the rotational axis of the Earth.
4.
FLASHCARD QUESTION
Front
What do animals take in during respiration?
Back
Animals take in oxygen during respiration.
5.
FLASHCARD QUESTION
Front
What do animals release during respiration?
Back
Animals release carbon dioxide during respiration.
6.
FLASHCARD QUESTION
Front
What percentage of the Earth's water is freshwater?
Back
3% of the Earth's water is freshwater.
7.
FLASHCARD QUESTION
Front
What is the role of bacteria in the nitrogen cycle?
Back
Bacteria convert atmospheric nitrogen into a form that plants can use.
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