Ques: Q: The electronic components in electronic devices, used to transmit and change electricity are made of? Choices: - resistors - inverters - microchips - semiconductors A:
Ans: semiconductors

Ques: Q: What is defined as the amount of force acting on a given area? Choices: - resistance - density - power - pressure A:
Ans: pressure

Ques: Q: In vascular plants, do primary roots grow downward or to the side? Choices: - to the side - neither - it depends - downward A:
Ans: downward

Ques: Q: Magnetic force is always perpendicular to what? Choices: - speed - sunlight - length - velocity A:
Ans:
velocity