The central core of the earth is made up of both very hot or dense material.
Correct answer C. or
Tip: press A, B, C or D to answer, and N for the next question.
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See allPeppermint originated in Europe, and the early English colonists brought it to North America.
Correct answer B. and
Most rodents eat grain seeds and nuts, instead some eat almost anything.
Correct answer C. instead
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Blinking helps keep the surface of the eye both clean so moist.
Correct answer D. so
Both diamond except graphite are made of the same element, which is carbon.
Correct answer B. except
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