Biology, 29.05.2020 08:59 expresslmnop
You want to figure out more about the atmosphere of a new planet so you have measured the star's absorption spectrum during the planet's transit. Using the sample spectrum of elements and the spectrum from the star observed, which two elements would be found in the planet's atmosphere?
Question 17 options:
A)
Iron and oxygen
B)
Hydrogen and sodium
C)
Oxygen and magnesium
D)
Hydrogen and oxygen
Answers: 2
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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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You want to figure out more about the atmosphere of a new planet so you have measured the star's abs...
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