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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:
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Biology, 22.06.2019 02:00
Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.
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Biology, 22.06.2019 02:30
Many plants can reproduce asexually. which of these is an example of asexual reproduction in a plant? a. pine cones forming on a tree b. cross-pollination in a tomato c. roots sprouting from a potato d. night-blooming jasmine flowers
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Biology, 22.06.2019 04:00
Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms
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Asuperhighway is put down in a field separating a population of snails. over time, they acquire muta...
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