Q: What is it called when liquid water falls from the sky? A:

OPTIONS:
- sedimentation
- water cycling
- erosion
- precipitation

Answer: precipitation

Problem: OPTIONS:
- acids
- enzymes
- lipids
- alkanes
Q: Q: Hydrocarbons in which all carbons are connected by single bonds are called? A:
Answer: alkanes

Problem:OPTIONS:
- 90 percent
- 50 percent
- 30 percent
- 95 percent

Q: Invertebrates make up what percentage of all animal species? A:
****
A: 95 percent

Q: Solar cells turn sunlight directly into what? A:
OPTIONS:
- gas
- water
- cold
- electricity
electricity

Q: The superior nasal concha and middle nasal concha are parts of which bone? A:
OPTIONS:
- nostril bone
- gastrulation bone
- nasal bone
- ethmoid bone

Answer: ethmoid bone

input with options: Q: When female mammalian embryos consist of just a few thousand cells, one x chromosome in each cell inactivates by condensing into a structure called what? A:
OPTIONS:
- lewy's body
- morton body
- baker body
- barr body
output:
barr body