Q: What do you call a mixture in which some particles settle out of it when it is left standing? A:

OPTIONS:
- emulsion
- alloy
- homogenous
- suspension

Answer: suspension

Problem: OPTIONS:
- pus
- progesterone
- collagen
- sebum
Q: Q: What does the sebaceous gland secrete which waterproofs the skin and hair? A:
Answer: sebum

Problem:OPTIONS:
- density
- sea level
- migration
- climate

Q: What factor largely determines the distinguishing features of terrestrial biomes? A:
****
A: climate

Q: What type of reproduction usually occur during times of environmental stress? A:
OPTIONS:
- internal reproduction
- hysterical reproduction
- asexual reproduction
- sexual reproduction
sexual reproduction

Q: Composed largely of the polysaccharide chitin, the exoskeleton provides an effective barrier defense against most what? A:
OPTIONS:
- parasites
- white blood cells
- vaccines
- pathogens

Answer: pathogens

input with options: Q: How are voltmeters placed in the circuit? A:
OPTIONS:
- since parallel
- after parallel
- not parallel
- in parallel
output:
in parallel