Show instructions Question 5
Which of the following is a pure substance that contains only one type of atom?
a
oxygen
trail mix
b
C
chalk
oc
d
hydrogen peroxide

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

Which is not part of the definition of a family? two or more related people living together being married or in a partnership a single person living alone choices a and b

Why might a single rock layer exhibit different types of sedimentary rocks within it? view available hint(s) why might a single rock layer exhibit different types of sedimentary rocks within it? such a rock layer, termed a facies, when traced laterally represents a variety of depositional environments that formed in a sequence over time. such a rock layer, termed a facies, when traced laterally represents a single depositional environment that formed over time. such a rock layer, termed a facies, when traced vertically represents a variety of depositional environments that formed at the same time across a broad area. such a rock layer, termed a facies, when traced laterally represents a variety of depositional environments that formed at the same time across a broad area. such a rock layer, termed a facies, when traced vertically represents a variety of depositional environments that formed in a sequence over time.