Which of the following are the large molecules that are broken down into smaller molecules during digestion? A. Simple sugars B. Carbohydrates
C. Fatty acids
D. Amino acids

Which phrase best describes surface currents? 1. up-and-down ocean movement caused by wind 2. waves that hit the shore at an angle and transport sand 3. streams of warm water flowing through the ocean and caused by wind 4. waves that approach the shore and cause their crests to fall into their troughs

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary