1.) earth can be divided into five layers: the lithosphere, the asthenosphere, the mesosphere, the outer core, and the inner core. which properties are used to make these divisions?

a
physical properties

b
compositional properties

c
chemical properties

d
elemental properties

2.) rainwater can break down rocks by dissolving minerals in the rocks. acid rain is rainwater that is more acidic than normal rainwater. acid rain can dissolve the minerals in rocks faster than normal rainwater can. how does acid rain affect different types of rock?

a
it dissolves some rocks faster because of their different compositions.

b
it changes sedimentary and igneous rocks into metamorphic rocks.

c
it causes an equal amount of weathering in all types of rock.

d
it causes metamorphic and sedimentary rocks to melt and form igneous rocks.

3.) which of the following statements correctly defines geology?

a
it is the scientific study of the history of earth and the processes that shape it.

b
it is the scientific study of the structure of earth's atmosphere and the processes that change it.

c
it is the scientific study of the development of life on earth and the processes that change it.

d
it is the scientific study of the history of the solar system and the processes that shape it.

4.) the start of the cenozoic era is marked with a mass extinction known as the cretaceous mass extinction.

a
true

b
false

5.) scientists can study ice cores to learn about earth’s history.

a
true

b
false