Problem:OPTIONS:
- sedimentary worms
- indigenous worms
- elongated worms
- segmented worms

Q: Mollusks are probably most closely related to organisms in the phylum annelida , also known as what? A:
****
A: segmented worms

Q: What type of movement is caused by erosion from direct gravity? A:
OPTIONS:
- frictional movement
- normal movement
- electron movement
- mass movement
mass movement

Q: How do mammals ventilate their lungs? A:
OPTIONS:
- negative combination breathing
- negative atmospheric breathing
- negative pressure vocalizing
- negative pressure breathing

Answer: negative pressure breathing

Question: Q: The rate of decay of carbon-14 does what over time? A:
OPTIONS:
- becomes unstable
- increases
- decreases
- remains stable
Answer: remains stable

input with options: Q: What term means the percentage by mass of each element in a compound? A:
OPTIONS:
- mass effect
- elemental percent
- biomass
- percent composition
output: percent composition

Problem: OPTIONS:
- 2002
- 1997
- 1991
- 1998
Q: Q: Eight of the hottest years on record have occurred since what year? A:
Answer:
1998