Q: Magnetic resonance imaging devices use what to cool the superconducting magnets? A:
OPTIONS:
- antifreeze
- dry ice
- fluorocarbons
- liquid nitrogen
liquid nitrogen

Q: He mass spectrometer measures the percent abundance of different what? A:
OPTIONS:
- reactions
- organisms
- Proteins
- isotopes

Answer: isotopes

Question: Q: What describe the fraction or percentage of a mixture that is made up of a particular substance. A:
OPTIONS:
- molecular scale
- atomic weight
- solute level
- mole fractions
Answer: mole fractions

input with options: Q: What is the name of vesicles that are formed by the golgi apparatus? A:
OPTIONS:
- vessels
- lymphocytes
- capillaries
- lysosomes
output: lysosomes

Q: Q: What is aggravated by practices such as logging, mining, construction, and paving surfaces? A:

OPTIONS:
- global warming
- seismic activity
- water pollution
- soil erosion

A: soil erosion

Q: What do hydrophilic substances have an affinity for? A:
OPTIONS:
- air
- soil
- heat
- water
water