Q: Elements are either metals, nonmetals, or what? Choices: - reactive metals - partial metals - unstable metals - semimetals A:
semimetals

Q: Where is urine formed in the body? Choices: - the liver - the pancreas - the lungs - the kidneys A:
the kidneys

Q: Q: If the experimental value is less than the accepted value, the error is what? Choices: - positive - effective - caused - negative A:
A: negative

Question: Q: Through which process does water from the oceans enter the atmosphere? Choices: - oxidation - perspiration - absorption - evaporation A:
Answer: evaporation

*Question*
Q: Claw ends of hammers and flagpole pulleys are examples of simple machines that reverse what? Choices: - direction of power - direction of work - direction of friction - direction of force A:
**Answer**
direction of force

Q: Q: What water is about 3.5% salt? Choices: - glacial water - fresh water - spring water - seawater A:
A: seawater