Q: What is an attitude of doubt about the truthfulness of claims that lack empirical evidence? A:
OPTIONS:
- conspiracy
- speculation
- independent variable
- skepticism
skepticism

Q: Compounds that contain mainly the elements carbon and hydrogen are called what kind of compounds? A:
OPTIONS:
- microscopic compounds
- reactive compounds
- natural compounds
- organic compounds

Answer: organic compounds

Question: Q: In addition to insects, what large invertebrate phylum includes animals such as spiders, centipedes, and lobsters? A:
OPTIONS:
- onychophora
- fungi
- ostracods
- arthropoda
Answer: arthropoda

input with options: Q: Density and pressure of air decreases with what? A:
OPTIONS:
- temperature
- humidity
- horizontal distance
- altitude
output: altitude

Q: Q: What do we call the lowest layer of the atmosphere? A:

OPTIONS:
- stratosphere
- asthenosphere
- mesosphere
- troposphere

A: troposphere

Q: In biology, a relationship that benefits both entities is known as what? A:
OPTIONS:
- naturalism
- altruism
- predatory
- mutualism
mutualism