Cells mainly divide to help living organisms grow.<span />
In the 21st century solar energy is expected to become increasingly attractive as a renewable energy source because of its inexhaustible supply and its nonpolluting character, in stark contrast to the finite fossil fuels coal, petroleum, and natural gas.
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Answer:
Explanation:
The bond between adenine and thumb is a double bond while that between guanine and cytosine is triple bond.