The sun and stars give off radiant energy. observation of a star's radiant energy enables us to study the star’s composition and which factor? a. the number of stars in its galaxy b. the distance to the center of its galaxy c. whether it is moving toward us or away from us d. the number of planets in its solar system

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.