The first one has the good punctuation;
Let"s play ball ; I'm up to bat first (a semicolon)
hope I helped !
I believe the answer to be D. Substitute the underline sentence with the answer choices. D makes the most sense.
Answer:
organic compounds
Explanation:
Organic compound, any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen. The few carbon-containing compounds not classified as organic include carbides, carbonates, and cyanides.
