Biology, 15.11.2019 14:31 Mrlittlefish
Bradley is standing on the top of a mountain holding a soccer ball. which of these best describes what happens when he throws the ball over the edge?
a) the kinetic energy increases and so does the total amount of energy.
b) the kinetic energy decreases and the total amount of energy increases.
c) the potential energy decreases and the total amount of energy also decreases.
d) both the kinetic and potential energy change, but the total energy remains constant.
Answers: 1
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Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.
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Bradley is standing on the top of a mountain holding a soccer ball. which of these best describes wh...
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