Biology, 23.03.2020 19:58 kayden1234thomp
There are some greenhouse gases that are found naturally in the atmosphere such as carbon dioxide, methane, and water vapor. There are also greenhouse gases that are not found naturally; they are released from anthropogenic sources only. Chlorofluorocarbons (CFCs) are greenhouse gases that also contribute to ozone depletion. Although these chemicals have been banned, they will continue to remain in the atmosphere for many more years. Which anthropogenic sources contributed to CFCs being released into the atmosphere?
A) CFCs are released naturally in Earth's processes.
B) CFCs were released from refrigerants, solvents, and aerosols.
C) CFCs were released from agriculture production and livestock.
D) CFCs were released from deforestation and burning fossil fuels.
Answers: 2
Biology, 22.06.2019 01:00
Put the following processes of protein synthesis in the correct order: - dna strands unwind and separate - mrna copies dna according to complimentary base pairing - trna's anticodons bring amino acids to the corresponding mrna codons - amino acids bind to each other making a protein - mrna leaves the nucleus - a stop codon is reached, the newly formed protein is released to go do its job for the cell
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Biology, 22.06.2019 01:30
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Biology, 22.06.2019 11:50
Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material
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Biology, 22.06.2019 12:30
Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2
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There are some greenhouse gases that are found naturally in the atmosphere such as carbon dioxide, m...
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