Chemistry, 05.05.2020 11:48, aceccardi03
Look at the following diagram of the carbon cycle.
Which of the following facts is best represented by the arrow pointing from G to C?
A. The chemical energy present in fossil fuels is used to create new forms of energy used for photosynthesis.
B. Energy is conserved because the chemical energy present in fossil fuels is used up completely during burning.
C. The mechanical energy produced on burning fossil fuels is transformed into chemical energy stored in carbon dioxide.
D. Energy is conserved because the mechanical energy produced on burning fossil fuels is less than the chemical energy formed.
Answers: 3
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1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division
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Chemistry, 23.06.2019 00:30, mathwiznot45
Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.
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Look at the following diagram of the carbon cycle.
Which of the following facts is best repres...
Which of the following facts is best repres...
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