Which of the following is true regarding DNA? a) It is single stranded and pleated in shape b) It is used by organisms as a source of energy c) Complementarity states that Adenine will always bind with Thymine d) It is classified as a protein

c) Complementarity states that Adenine will always bind with Thymine.

Explanation:

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stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

b.

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explanation: