Q: What branch of science is based on the modern atomic theory, which states that all matter is composed of atoms? A:

OPTIONS:
- physics
- psychology
- biology
- chemistry

Answer: chemistry

Problem: OPTIONS:
- oxygen
- potassium
- hydrogen
- nitrogen
Q: Q: Group 15 of the periodic table is also called which group? A:
Answer: nitrogen

Problem:OPTIONS:
- metabolism system
- internal system
- ingestion system
- digestive system

Q: What is the body system that digests food mechanically and chemically and absorbs nutrients? A:
****
A: digestive system

Q: An experiment generates what to support a hypothesis? A:
OPTIONS:
- falsehoods
- reason
- study
- evidence
evidence

Q: What type of energy is possessed by autumn leaves before they fall? A:
OPTIONS:
- mechanical energy
- kinetic energy
- radioactive energy
- potential energy

Answer: potential energy

input with options: Q: What is the opening in the front of the eye called? A:
OPTIONS:
- lens
- cornea
- iris
- pupil
output:
pupil