In what segment(s) of the alimentary canal (mouth, stomach, small intestine, large intestine) does chemical digestion occur for each macromolecule type? a. proteins c. carbohydrates
b. lipids d. nucleic acids

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid