Question: Q: What sound can be heard when sound waves bounce back from a hard object? Choices: - loop - eerie - boom - echo A:
Answer: echo

Question: Q: What are major temperature zones primarily based on? Choices: - altitude - longitude - gps - latitute A:
Answer: latitute

Question: Q: When substances pass through the cell membrane without needing any energy what is it called? Choices: - active transport - kinetic transport - energetic transport - passive transport A:
Answer:
passive transport