Which of these BEST explains how the cell membrane helps animal cells grow and divide? A. It transports enzymes. B. It stores genetic information. C. It supplies the cell with energy. D. It controls materials that enter and exit the cell.

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

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

Which step is not included in the step approach to calculating the greatest common divisor?