Biology, 27.05.2021 01:40 22swittman
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There are different methods that astronomers can use to determine the distance of a star from Earth. Which of the following is the most helpful method used to determine the distance of a relatively close star to Earth
Using satellites to send electromagnetic waves out to the stars which can reflect the waves back for data collection
Measuring the defection of the closer star off of its normal path of movement due to some other astronomical body.
C Comparing the location of the closer star to more distant background stars after a sic-month period
Developing physical scaled three-dimensional models of both distant and nearby stars
B
D
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Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?
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Biology, 22.06.2019 10:30
In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.
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There are different methods that astronomers can use to determine the...
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