Problem:OPTIONS:
- straight-chain isomers
- branched-looping isomers
- branched - solar isomers
- branched-chain isomers

Q: Which type of isomers generally have lower boiling and melting points than straight-chain isomers? A:
****
A: branched-chain isomers

Q: What type of cells are arranged into tightly packed sheaths around the veins of the leaf? A:
OPTIONS:
- pattern - sheath cells
- cellulose
- cell walls
- bundle-sheath cells
bundle-sheath cells

Q: What connects the fetus to the placenta? A:
OPTIONS:
- womb
- fallopian tube
- amniotic sac
- umbilical cord

Answer: umbilical cord

Question: Q: What is the greek word meaning "to help make things easier"? A:
OPTIONS:
- toy
- battery
- mode
- machine
Answer: machine

input with options: Q: A non-bony skeleton that forms outside of the body is known as a what? A:
OPTIONS:
- excitoskeleton
- exoplate
- endoskeleton
- exoskeleton
output: exoskeleton

Problem: OPTIONS:
- mercury
- pluto
- uranus
- mars
Q: Q: What planet is the easiest to observe? A:
Answer:
mars