Options:
- A. motor
- B. generator
- C. moving-coil meter
- D. battery
View Answer
D. battery
Everyday Science
The Sun is a __________?
Options:
- A. Star
- B. Planet
- C. Asteroid
- D. Meteor
View Answer
A. Star
The gas used in a refrigerator to cool water is___________?
Options:
- A. Nitrogen
- B. Carbon dioxide
- C. Methane
- D. Tetrafluoroethane
View Answer
D. Tetrafluoroethane
The average adult has a blood volume of about __________ liters.
Options:
- A. 4
- B. 5
- C. 6
- D. 7
View Answer
B. 5
The most abundant element in the universe is __________.
Options:
- A. Oxygen
- B. Hydrogen
- C. Carbon Dioxide
- D. Silicon
View Answer
B. Hydrogen