georgio wants only the best for his clients in his salon. He wants to know which brand of hair dye lasts the longest. what is his independent variable?

A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas

Which substance can be broken down by chemical means

Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea