Hello!
The most accurate answer is
<span>The source of energy for chemosynthesis is chemical reactions!
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Glad to help :)
The environment affected their farming as it was different
It wants you to explain why its a chemical change. Signs of chemical changes are formation of gas bubbles, cloudyness, change in color or odor.
Have mammary glands - GradPoint answer (you can do this)
They both are constituents of DNA.
Adenine, cytosine, guanine and thymine are the glue that holds together the two sugar-phosphate strands which form the back-bone of DNA. The order in which these bases occur is what stores the information in DNA.
