Q: As per hutton's unconformity, what happened to the intermediate layers of rock? Choices: - they metamorphized - they fused - they expanded - they eroded away A:
they eroded away

Q: The umbilical cord connects the fetus to what structure? Choices: - Ovaries - uterus - cell - placenta A:
placenta

Q: Zeros that appear in front of all of the nonzero digits are called what? Choices: - zero sum game - significant digits - non-numbers - left-end zeros A:
left-end zeros

Q: What is the primary gas produced from burning of wood? Choices: - liquid dioxide - Hydrogen Dioxide - toxic dioxide - carbon dioxide A:
carbon dioxide