What system is responsible for transporting food, waste, and gases throughout the body?

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.