Q: Which metal is not solid at room temperature? Choices: - silver - aluminum - titanium - mercury A:
mercury

Q: Frogs are amphibians that live part of the time in fresh water and rest of the time where? Choices: - underground - in stagnant water - in salt water - on land A:
on land

Q: The oldest fossil of land plants date back how many millions of years? Choices: - 520 million years - 350 million years - 430 million years - 470 million years A:
470 million years

Q: What phenomenon is primarily the result of plate tectonic motions? Choices: - eruption - tsunamis - volcanoes - earthquake A:
earthquake