Choose the following steps in the right order for charging an electroscope by induction. a. ground the electroscope b. bring a charged object near the electroscope platform c. remove the charged object d. remove the grounding

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c

Which notation is used to represent an alpha particle? a. b. c. d.

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?