Why is gold found in the pure state in nature?

In any energy conversion, some of the energy is lost to the environment as question 5 options: electrical energy potential energy sound energy thermal energy

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.

Which of the following is a solution a- brewed coffee b-tomato juice c- ranch salad dressing d- muddy water