Answer the following question given this paragraph: A suspension is a heterogeneous mixture in which some of the particles settle out of the mixture upon standing. The particles in a suspension are far larger than those of a solution and thus gravity is able to pull them down out of the dispersion medium (water). The typical diameter for the dispersed particles (the sand) of a suspension is about 1000 times greater than those of a solution (less than approximately two nanometers for particles in solution, compared to greater than 1000 nanometers for particles in suspension). Unlike in a solution, the dispersed particles can be separated from the dispersion medium by filtering. Suspensions are heterogeneous because at least two different substances in the mixture can be identified. Q: What do you call a mixture in which some particles settle out of it when it is left standing? Choices: - emulsion - alloy - homogenous - suspension A:
suspension
Answer the following question given this paragraph: Hair, hair follicle, and oil glands. The oil, called sebum, helps to prevent water loss from the skin. The sebaceous gland secretes sebum, which waterproofs the skin and hair. Q: What does the sebaceous gland secrete which waterproofs the skin and hair? Choices: - pus - progesterone - collagen - sebum A:
sebum
Q: Answer the following question given this paragraph: Terrestrial biomes include all the land areas on Earth where organisms live. The distinguishing features of terrestrial biomes are determined mainly by climate. Terrestrial biomes include tundras, temperate forests and grasslands, chaparral, temperate and tropical deserts, and tropical forests and grasslands. Q: What factor largely determines the distinguishing features of terrestrial biomes? Choices: - density - sea level - migration - climate A:
A: climate
Question: Answer the following question given this paragraph: Q: What type of reproduction usually occur during times of environmental stress? Choices: - internal reproduction - hysterical reproduction - asexual reproduction - sexual reproduction A:
Answer: sexual reproduction
*Question*
Answer the following question given this paragraph: Q: Composed largely of the polysaccharide chitin, the exoskeleton provides an effective barrier defense against most what? Choices: - parasites - white blood cells - vaccines - pathogens A:
**Answer**
pathogens
Answer the following question given this paragraph: Voltmeters have high resistances and are placed in the circuit in parallel. Q: How are voltmeters placed in the circuit? Choices: - since parallel - after parallel - not parallel - in parallel A:
in parallel