Q: What do obligate aerobes need to live? Choices: - blood - acid - dioxide - oxygen A:
oxygen

Q: In this type of reaction, an element replaces another element in a compound, and the element is in any state of matter but is not an ion? Choices: - double-replacement reaction - replication reaction - polar reaction - single-replacement reaction A:
single-replacement reaction

Q: Q: What forms when a solute dissolves in a solvent? Choices: - chemical - gas - liquid - solution A:
A: solution

Question: Q: If the amount of force of that is applied is increased, what happens to the work that a machine is producing? Choices: - it's unchanged - it is harder - it's variable - it is easier A:
Answer: it is easier

*Question*
Q: Worms grow to adult size without going through what stage? Choices: - egg - development - growth - larval A:
**Answer**
larval

Q: Q: What is the largest class of elements? Choices: - organics - acids - oils - metals A:
A: metals