The Earth System Question Preview (ID: 58886)
Review Of Earth Systems And Interactions And The Geosphere.
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The warmest place within Earth is the ________.
a) inner core
b) outer core
c) mantle
d) crust
When algae from an algal bloom die, they are broken down by bacteria that use up much of the ___________ in the water.
a) food
b) oxygen
c) carbon dioxide
d) chemical pesticides
The rock cycle suggests that _______.
a) rocks are always being added to Earth's mass
b) rocks disappear from Earth as they go underground
c) rocks always stay in the same form
d) rocks are continually recycled into different forms
The _______ is the Earth's thinnest layer.
a) mantle
b) crust
c) inner core
d) outer core
In which horizon of a soil profile is the parent material?
a) A horizon
b) B horizon
c) C horizon
d) D horizon
How do chemical and physical weathering differ?
a) Chemical weathering can occur with the help of water reacting with carbon dioxide. Mechanical weathering - no water involved.
b) Physical weathering - rocks are broken by physical processes. Chemical weathering - chemical reactions dissolve minerals
c) Mechanical and chemical weathering can happen with the help of plants and animals.
d) Physical weathering happens in the Earth's crust, and chemical weathering happens in the mantle.
A rock is a(n) _________.
a) compound
b) atom
c) element
d) mixture
All minerals are ______.
a) made in a lab
b) organic solids
c) naturally occurring
d) unordered
How are igneous rocks formed?
a) They are formed from cooled magma.
b) They are hot magma the moment it is expelled from a volcano.
c) They are formed over many years of pressure and heat within Earth.
d) They are formed from sediments that collected in ocean beds.
Water returns to the atmosphere by the process of _______.
a) condensation
b) evaporation
c) radiation
d) precipitation
Surface processes that work to break down rock are called _____.
a) weathering
b) subduction
c) compaction
d) cementation
One possible result of extra carbon dioxide in the atmosphere is _________.
a) a decrease in the amount of water on Earth
b) an increase in the number of carnivores on Earth
c) a rise in average temperatures on Earth
d) a decrease in the amount of nitrogen in the soil
Which statement describes continental crust?
a) rich in the dense minerals iron and magnesium
b) less dense than oceanic crust
c) made up of igneous rocks only
d) containing very little oxygen
A biosphere is the part of Earth that supports ______.
a) water
b) life
c) minerals
d) air
The air that surrounds Earth is called ________.
a) the geosphere
b) the hydrosphere
c) the biosphere
d) the atmosphere
Which horizon of a soil profile contains the highest amount of organic material?
a) A horizon
b) B horizon
c) C horizon
d) D horizon
Which term describes the way a mineral's surface reflects light?
a) streak
b) fracture
c) cleavage
d) luster
Phosphorus does not exist in which system?
a) atmosphere
b) biosphere
c) geosphere
d) hydrosphere
Which of the following describes carbon dioxide in the atmosphere?
a) industrial runoff
b) greenhouse gas
c) fossil fuel
d) dissolved phosphate
Which two systems interact when a river causes erosion?
a) the biosphere and the atmosphere
b) the biosphere and the geosphere
c) the hydrosphere and the biosphere
d) the hydrosphere and the geosphere
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