Q: What are ring-shaped hydrocarbons called? A:
OPTIONS:
- reverse hydrocarbons
- curved hydrocarbons
- cylindrical hydrocarbons
- cyclic hydrocarbons
cyclic hydrocarbons

Q: The renal hilum is the entry and exit site for structures servicing which organs? A:
OPTIONS:
- ovaries
- lungs
- brains
- kidneys

Answer: kidneys

Question: Q: Magnetism is due to the movement of what within atoms? A:
OPTIONS:
- neutrons
- protons
- magnetrons
- electrons
Answer: electrons

input with options: Q: What two types of junctions do animal cells have? A:
OPTIONS:
- gap and solid
- loose and tight
- standard and specialized
- tight and gap
output: tight and gap

Q: Q: What is the term for the temperature at which a solid changes into a liquid? A:

OPTIONS:
- the starting point
- the mixture point
- the pressure point
- the melting point

A: the melting point

Q: How are protozoa that cause giardiasis spread? A:
OPTIONS:
- insects
- starch and water
- lakes and rivers
- food and water
food and water