The hormone insulin controls by the amount of sugar in the blood.
Correct answer B. by
Tip: press A, B, C or D to answer, and N for the next question.
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See allHenry stressed the importance in individuality.
Correct answer C. in
Your house is connected with the main cable TV network.
Correct answer C. with
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The need for vitamins of our diet was discovered by a Dutch doctor.
Correct answer B. of
Animals live in the areas that are covered in snow in winter.
Correct answer C. covered in
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