A) They all have similar chemical properties.
There is misspelled. It should be spelled their
<span>The distinct evidence of climate change in the O’Higgins glacier is proven by the measurement of the area that it covers. About 11.5 kilometers of glacier land has melted within the twentieth century. Satellite images reveal the retreat of glaciers where they compared early 1900s images from the present.
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<u>substrate</u> fits into the <u>active site</u>, so the answer is C