Q: In which direction does heat always flow through objects? Choices: - from low to high - from cooler to hotter - from left to right - from hotter to cooler A:
from hotter to cooler

Q: What is the only known planet with large amounts of water? Choices: - saturn - jupiter - mars - earth A:
earth

Q: Q: What are the two main types of diabetes? Choices: - type 0, 1 - type a, b - type 3, 4 - type 1, type 2 A:
A: type 1, type 2

Question: Q: What are fresh water biomes defined by? Choices: - high salt content - moving water - animal species - low salt concentration A:
Answer: low salt concentration

*Question*
Q: Through which organ do hookworm larvae enter the human body? Choices: - through the lungs - through the rectum - through the mouth - through the skin A:
**Answer**
through the skin

Q: Q: Unlike theories, which are proved true, what are often falsified? Choices: - conclusions - samples - controls - hypotheses A:
A: hypotheses