A light bulb converts electrical energy to thermal energy and mechanical energy
nuclear and chemical energy
electromagnetic (light) energy and thermal energy
electrical and chemical energy

When should a bar graph be used? a. when there is no independent variable. b. when the independent variable is continuous and does not show a relationship to the dependent variable. c. when the independent variable is continuous and shows a causal link to the dependent variable. d. when the independent variable is composed of categories and does not show a relationship.

The process by which natural forces move weathered rock and soil brim one place to another is called

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?