Biology, 11.12.2020 06:00 ritatarlue24
a scientist makes the following statement it's Earth's early atmosphere had been rich in oxygen photosynthetic organisms would have not been able to evolve which of the following statements can be used to argue against this hypothesis
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Biology, 22.06.2019 03:30
Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils
Answers: 1
Biology, 22.06.2019 05:10
Which of the following is not a potential result of deforestation?
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Biology, 22.06.2019 10:00
Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area
Answers: 1
a scientist makes the following statement it's Earth's early atmosphere had been rich in oxygen phot...
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