What kind of energy transformation occurs in a gasoline-powered car?
a.
chemical energy is converted into mechanical energy.
b.
mechanical energy is converted into light energy.
c.
light energy is converted into sound energy.
d.
sound energy is converted into chemical energy.

Suppose an astronomer discovers a large, spherical-shaped body orbiting the sun. the body is composed mostly of rock, and there are no other bodies sharing its orbit. what is the best way to categorize this body? a. planet b. moon c. comet d. asteroid

While inserting images, the picture command is usually used to insert photos from a digital camera, and the clip art command is usually used to a. edit the sizes and other characteristics of photos that have been inserted. b. take a screenshot of an image and copy it to the clipboard for pasting. c. search for drawings or other images from a library of prepared pictures. d. make illustrations using lines and shapes that are easy to manipulate.

Which of the following terms refers to a collection of different types of software that share the goal of infiltrating a computer and making it do something? a- malware b- virus c- spyware d- trojan horse