Q: Besides the concentration of dissolve oxygen and nutrients in the water, what other factor limits aquatic organisms? A:

OPTIONS:
- rainfall
- temperature
- lake size
- availability of sunlight

Answer: availability of sunlight

Problem: OPTIONS:
- moisture currents
- gas currents
- mantle currents
- convection currents
Q: Q: What causes cumulus clouds to grow upward? A:
Answer: convection currents

Problem:OPTIONS:
- component
- cell
- mitochondria
- compound

Q: What always has the same elements in the same ratio? A:
****
A: compound

Q: Where do archea live? A:
OPTIONS:
- in mammals
- in the ocean
- underground
- everywhere
everywhere

Q: What are magnesium carbonate, aluminum hydroxide, and sodium bicarbonate commonly used as? A:
OPTIONS:
- salts
- antibiotics
- antidepressants
- antacids

Answer: antacids

input with options: Q: What consists of all the biotic and abiotic factors in an area and their interactions? A:
OPTIONS:
- habitat
- macroevolution
- community
- ecosystem
output:
ecosystem