Question: Q: The changing of a light ray's direction (loosely called bending) when it passes through variations in matter is called this? A:
OPTIONS:
- wavelength
- resonance
- vibration
- refraction
Answer: refraction

input with options: Q: Stress building up at the same rate over time at a fault causes what phenomenon? A:
OPTIONS:
- erosion
- volcanoes
- storms
- earthquakes
output: earthquakes

Q: Q: Pressure relationships inspiration (or inhalation) and expiration (or exhalation) are dependent on the differences in pressure between the atmosphere and these? A:

OPTIONS:
- salts
- enzymes
- bones
- lungs

A: lungs

input: OPTIONS:
- calcium
- dioxide
- oxygen
- acid Now, answer this question: Q: Limestone is insoluble in water, so what can dissolve it? A:
A:
output: acid

Q: The loss of oxygen to the heart muscle causes that part of the tissue to what? A:

OPTIONS:
- beat harder
- thrive
- beat erratically
- die

Answer: die

Q: Q: What are the smallest type of blood vessel? A:

OPTIONS:
- varicose veins
- spider veins
- arteries
- capillaries

A:
capillaries