Q: What type of motor is used in most household devices with moving parts? Choices: - cooling motors - vacuum motors - thermal motors - electric motors A:
electric motors

(Question)
Q: Which type of galaxies contain very little gas and dust, are red to yellow in color, contain over a trillion stars and have mostly old stars? Choices: - blue elliptical galaxies - giant orbital galaxies - giant gaseous galaxies - giant elliptical galaxies A:
(Answer)
giant elliptical galaxies

Ques: Q: What begins when an oogonium with the diploid number of chromosomes undergoes mitosis? Choices: - germination - morphogenesis - gametogenesis - oogenesis A:
Ans: oogenesis

(Q).
Q: What is a byproduct from the combustion of fossil fuels like coal and gasoline? Choices: - alcohol - carbon monoxide - aluminum oxide - nitrogen dioxide A:
(A).
nitrogen dioxide

Ques:Q: Peregrine falcons made an incredible recovery after laws were passed banning the use of what? Choices: - Carbaryl - miticide - Acetamiprid - ddt A:

Ans:ddt

Q: Isobaric expansion is a process occurring without a change in what? Choices: - direction - temperature - energy - pressure A:
pressure