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Biology, 21.06.2019 16:10
Alaska and northern canada have a diet rich in vitamin d and their skin color is darker than predicted on the basis of iv intensity at their latitude. explain the observation:
Answers: 1
Biology, 22.06.2019 07:30
The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the womanโs offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction
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Biology, 22.06.2019 09:00
What causes eclipses? check all that apply. earth's rotation on its axis moon's shadow covering the sun earth's shadow covering the moon earth's orbit and moon's orbit occasionally aligning the moon and sun's gravity pulling in the same direction
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Biology, 22.06.2019 09:00
Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.
Answers: 2
A neuron is A. a group of cells specialized for a particular type of information storage. B. one of...
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Biology, 26.07.2019 03:40