<span>D. Exposing a greater surface area to capture energy from sunlight.
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Evolution first came out in 1920s because that is when the president first started it
Enzymes acts as a catalyst in chemical reactions to speed up the rate of reaction.
Enzymes are not necessarily needed because substrates can disintegrate on their own, but enzymes are helpful to aid this process.
Darwin's "Origin of Species" and Lamark's "Theory of Inherited Characteristics"
Oxygen is needed for the heart to oxygenate blood.
