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EER1000 TEST WITH COMPLETE SOLUTION
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EER1000 TEST WITH COMPLETESOLUTION
Universe Age - Answer 13.7 billion years old
Earth Age - Answer 4.6 billion years old
Radius of Earth - Answer 6378 km
Center of the earth? - Answer Core
What is the key to biological life. - Answer The ability to hold water as a liquid, solid, and
gas.
What percentage of the earth is water? - Answer 70%
Why is the ratio of water to land on earth important? - Answer Key principle to
sustaining biological life.
When and what created our atmosphere? - Answer 4 billion years ago, and was formed
by volcanic vapour eruptions.
How long ago did cyanobacteria form? - Answer 3.5 billion years ago.
How long ago did the ozone layer form? - Answer 2.4 billion years ago.
When did multicellular life form? - Answer 1.2 billion years ago.
When did land plants form? - Answer 475 million years ago.
When did the earliest mammals appear? - Answer 210,000 years ago.
When did the earliest humans appear? - Answer 200,000 years ago.
When did earliest Homo sapiens sapiens appear? - Answer 120,000 years ago
Uniformitarianism - Answer A principle that geologic processes that occurred in the
past can be explained by current geologic processes.
Geologic Time - Answer Vast periods of time over which geologic processes operate
Mass extinction events - Answer End Ordovician - severe ice age
Late Devonian - climate change, asteroids, etc
End Permian - "great dying", global temperature surge.
,End Triassic - climate change
End Cretaceous - asteroid impact
What is the end all for our planet? - Answer Atmosphere chemistry change, which might
result in water ph change.
How many tectonic plates are there? - Answer 14
What was it called when we only had one continent and when? - Answer Pangea, and it
occurred 225 million years ago.
What do we call the future our conjoined continent? - Answer Pangea Proxima
Is mineral distribution uniform? - Answer No.
Environmental Justice - Answer The fair treatment and meaningful involvement of all
people regardless of race, color, national origin, or income with respect to the
development, implementation, and enforcement of environmental laws, regulations, and
policies.
Topography - Answer Changes of elevation through deposition and erosion.
Mechanical Weathering and Examples - Answer Wind, rain, ice, etc. The type of
weathering in which rock is physically broken into smaller pieces
Examples:
- ice freezing and expanding in cracks in the rock
- tree roots growing in similar cracks; expansion and contraction of - rock in areas with
high daytime and low nighttime temperatures
- cracking of rocks in forest fires, and so forth.
Chemical Weathering and Examples - Answer The erosion or disintegration of rocks,
building materials, etc., caused by chemical reactions (chiefly with water and
substances dissolved in it) rather than by mechanical processes.
Examples:
- oxidation
- mixing with water
- dehydration
- heat
- weak acids found in rain.
Mineral and two examples of one - Answer Naturally occurring inorganic substance
, - Quartz
- Topaz
Rock and two examples of one - Answer A combination of minerals.
- Granite
- Marble
Three rock types and examples of them. - Answer Igneous: from molten rock
- Granite
- Obsidian
Sedimentary: from debris eroded from other rocks and other minerals
- Sandstone
- Flint
Metamorphic: rocks changed by heat and pressure
- Slate
- Marble
Is mining environmental? - Answer No, but companies try their best to reduce issues of
mining.
Is mining sustainable? - Answer No. There is a finite amount of resources.
What are 3 types of systems? - Answer isolated, closed, open
Is there an even or uneven distribution of minerals? How does this affect a nation's
prosperity? - Answer Uneven distribution. Some nations are prosper more due to the
higher demand for certain materials,
ex: coltan "blood mineral" used in computers
If Manitobans were sitting on on gold, then the citizens would expect an equity benefit.
Do people in the Republic of Congo see this? - Answer No.
What is a system? - Answer A system is a combination of related parts organized into a
complex whole.
What is a isolated system? - Answer Neither energy nor matter is exchanged
What is a closed system? - Answer Exchange of energy but no matter exchange
What is a open system, and what is its significance? - Answer Exchange in matter and
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