Tectonic plates often shift position by the force of liquid rock emerging from below the earth’s surface and then cooling to form hard rock. this most often occurs a-on the ocean floor b-during earthquakes c-in mountain chains d-along coastlines

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

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c