Enzymatic breakdown of which of the following compounds doesn't begin until it reaches the stomach? a) lipidsb) carbohydrates c) proteins

there is none because earth is stationary and flat.

no statements shown

the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl