Pick three properties of water that you think are the most important for life to exist. Explain how that property works in nature and why it is one of the most important properties to sustain life.

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change. when the temperature in a room increases from 25°c to 33°c, changes from a solid to a liquid. in a lab, methane and nitrogen are cooled from -170°c to -200°c. the methane freezes and the nitrogen . when gold is heated to 2,856°c it changes from a liquid to a .

If you need to add 27.50ml of a solution, which piece of glassware would you use to deliver this volume and explain how you would determine if the 27.50 ml was measured?

Gene expression control that occurs during the generation of rna is a. controlled at transcription b. control before transcription c. controlled after transcription d. controlled after translation