Ques: Q: What does the moving piston in an engine turn? Choices: - hammer - muffler - brake - crankshaft A:
Ans: crankshaft

Ques: Q: Why do mangrove trees rise high above the water? which characteristic help them to do so? Choices: - heavy roots - fat roots - no roots - stilt like roots A:
Ans: stilt like roots

Ques: Q: What kind of core does mercury have? Choices: - solid metal - gas - dense metal - liquid metal A:
Ans: liquid metal

Ques: Q: The neural plate undergoes a series of cell movements where it rolls up and forms a tube called what? Choices: - cell tube - occular tube - peripheral tube - neural tube A:
Ans:
neural tube