Which air mass is a result of cold, dry conditions?

a. continental polar

b. maritime polar

c. continental tropical

d. maritime tropical

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs