[ Science ]
The layer that protects the earth from UV radiations:
A. Nitrogen
B. Ozone layer
C. Methane
D. Magnesium oxide
Select your answer:
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Vocabulary › ViewNormally, kids are in — with their parents about things they don’t like.
A. conflict
B. void
C. equivalent
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Modal Verb › View
You haven’t got time to do the gardening. I think you ________ a gardener, don’t you think so?
A. have employed
B. have employed
C. are employing
D. must have employed
How to use : Read the question carefully, then select one of the answers button.