Problem: OPTIONS:
- hypothermic
- hemophiliacs
- tardigrades
- thermophiles
Q: Q: What are archaea that live in extremely hot environments called? A:
Answer: thermophiles

Problem:OPTIONS:
- reflective
- reactive
- protective
- opaque

Q: Depending on how matter interacts with light, it can be classified as transparent, translucent, or what? A:
****
A: opaque

Q: When thinking of the rate at which two gases mix, it is inverse proportional to the density of what? A:
OPTIONS:
- matter
- the container
- dioxide
- gas
gas

Q: What is a controlled scientific test that often takes place in a lab? A:
OPTIONS:
- a testing
- a viewing
- an observeration
- an experiment

Answer: an experiment

Question: Q: Blood is made up of red blood cells, white blood cells, platelets, and what else? A:
OPTIONS:
- pathogens
- hemoglobin
- potassium
- plasma
Answer: plasma

input: OPTIONS:
- entry point pollution
- point supply pollution
- point supply pollution
- point source pollution Now, answer this question: Q: What is pollution that enters water at just one point called? A:
A:
output:
point source pollution