Problem: OPTIONS:
- distortion
- absorption
- dispose
- diffraction
Q: Q: Three ways that waves may interact with matter are reflection, refraction, and what? A:
Answer: diffraction

Problem:OPTIONS:
- tides
- gravity
- humidity
- wind

Q: What are ocean waves mainly caused by? A:
****
A: wind

Q: What kinds of cells that are important to our physical functioning can atrophy when they are not used? A:
OPTIONS:
- reproductive
- brain
- digestive
- muscles
muscles

Q: What is the measure of the energy released when an extra electron is added to an atom? A:
OPTIONS:
- mass affinity
- neutron affinity
- volume affinity
- electron affinity

Answer: electron affinity

Question: Q: The smallest units of matter that retain the unique properties of an element are known as what? A:
OPTIONS:
- protons
- molecules
- neutrons
- atoms
Answer: atoms

input: OPTIONS:
- 3
- .1
- 2
- 1 Now, answer this question: Q: What is the minimum number of loops a circuit can have? A:
A:
output:
1