Q: What are essential for pollination, but can spread disease and destroy crops? Choices: - fruits - spiders - mice - insects A:
insects

Q: What is used to prevent some infectious diseases? Choices: - radiation - pathogens - pesticides - vaccines A:
vaccines

Q: Q: Original atoms are called what type of isotopes? Choices: - offspring - component - product - parent A:
A: parent

Question: Q: The motor thus acts as a generator whenever its coil does what? Choices: - stops - revolves - oscillates - rotates A:
Answer: rotates

*Question*
Q: What is the area of our universe that isn't stars and galaxies called? Choices: - nebula - solar systems - galaxies - dark matter A:
**Answer**
dark matter

Q: What do industries use water to generate? Choices: - pollution - refrigeration - light - electricity A:
electricity