Q: In the case of the thyroid hormone pathway, thyroid hormone itself carries out what kind of feedback? A:

OPTIONS:
- positive
- continued
- effective
- negative

Answer: negative

Problem: OPTIONS:
- monoxide
- ions
- crystals
- atoms
Q: Q: Life on earth is carbon-based. organisms need not only energy but also carbon ________ for building bodies? A:
Answer: atoms

Problem:OPTIONS:
- stream
- peninsula
- island
- wetland

Q: What do you call an area covered with water, or possessing very soggy soil, all or part of the year? A:
****
A: wetland

Q: What is formed when the ceiling of an underground cave collapses? A:
OPTIONS:
- hill
- groundwater
- mountain
- sinkhole
sinkhole

Q: Spores are the basic reproductive units of what organism? A:
OPTIONS:
- mushrooms
- yeast
- tropical plants
- fungi

Answer: fungi

input with options: Q: What do people use from aquifers from springs or wells? A:
OPTIONS:
- oxygen
- salt
- soil
- fresh water
output:
fresh water