©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
NR 150 OCEANOGRAPHY EXAM 1
Questions and Answers 100% Solved
The oceanic crust is made of __________ ? - ✔✔Basalt
About ____ percent of Earth's water is found in the ocean. - ✔✔97%
A boundary in which crustal plates move past one another is called a: -
✔✔Transform Fault
Active continental margins are located : - ✔✔on the west coasts of both
North and South America
An example of a fishing technique that is particularly disruptive is ____. -
✔✔bottom trawling
At an ocean to ocean plate boundary, which plate will be subducted ? -
✔✔The older one, because it is usually cooler
Drift nets were developed in response to demands that fishing nets take
only target species, and that fishing ought to be more environmentally
sensitive. T or F - ✔✔False
,©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Earlier than 200 million years ago, the continents were joined into one
supercontinent called: - ✔✔Pangaea
Earthquakes provided evidence that the outer core is liquid, because : -
✔✔p and s waves have different shadow zones. One wave can penetrate
liquids, the other cannot.
Gravity was important in the formation of our planet because it pulled
dense metals such as iron and nickel inward, forming the Earth's core. T or
F - ✔✔True
Physical resources result from the deposition, precipitation, or
accumulation of useful substances in the ocean or on the seabed. T or F? -
✔✔True
Marine energetic resources include all the following, EXCEPT :
- Wind Power
-Harnessing power from currents and waves
- Oil and petroleum
- Harnessing the power from tidal waves - ✔✔Oil and petroleum
Scientific hypotheses are never revised or updated. T or F? - ✔✔False
, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Second to petroleum and natural gas, the most profitable resource
recovered from the marine environment is: - ✔✔Sand and Gravel
The Earth is density stratified. T or F? - ✔✔True
The Mid-Atlantic spreading ridge is above ground on Iceland. T or F? -
✔✔True
The Mariana Trench is the deepest feature on Earth: T or F? - ✔✔True
A hotspot is a plume of magma rising from a stationary source near the
core-mantle boundary. T or F? - ✔✔True
Magnetite is a magnetic mineral found in basalt and its orientation provided
evidence for plate tectonics. T or F? - ✔✔True
Roughly how fast do most lithospheric plates move ? - ✔✔about 5
centimeters per year
The fastest growing alternative energy source is: - ✔✔Wind Power
The hot, partially melted, slowly flowing layer of the Earth is called the: -
✔✔Asthenosphere
The inner core of the Earth is primarily made of __________. - ✔✔Iron
NR 150 OCEANOGRAPHY EXAM 1
Questions and Answers 100% Solved
The oceanic crust is made of __________ ? - ✔✔Basalt
About ____ percent of Earth's water is found in the ocean. - ✔✔97%
A boundary in which crustal plates move past one another is called a: -
✔✔Transform Fault
Active continental margins are located : - ✔✔on the west coasts of both
North and South America
An example of a fishing technique that is particularly disruptive is ____. -
✔✔bottom trawling
At an ocean to ocean plate boundary, which plate will be subducted ? -
✔✔The older one, because it is usually cooler
Drift nets were developed in response to demands that fishing nets take
only target species, and that fishing ought to be more environmentally
sensitive. T or F - ✔✔False
,©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Earlier than 200 million years ago, the continents were joined into one
supercontinent called: - ✔✔Pangaea
Earthquakes provided evidence that the outer core is liquid, because : -
✔✔p and s waves have different shadow zones. One wave can penetrate
liquids, the other cannot.
Gravity was important in the formation of our planet because it pulled
dense metals such as iron and nickel inward, forming the Earth's core. T or
F - ✔✔True
Physical resources result from the deposition, precipitation, or
accumulation of useful substances in the ocean or on the seabed. T or F? -
✔✔True
Marine energetic resources include all the following, EXCEPT :
- Wind Power
-Harnessing power from currents and waves
- Oil and petroleum
- Harnessing the power from tidal waves - ✔✔Oil and petroleum
Scientific hypotheses are never revised or updated. T or F? - ✔✔False
, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Second to petroleum and natural gas, the most profitable resource
recovered from the marine environment is: - ✔✔Sand and Gravel
The Earth is density stratified. T or F? - ✔✔True
The Mid-Atlantic spreading ridge is above ground on Iceland. T or F? -
✔✔True
The Mariana Trench is the deepest feature on Earth: T or F? - ✔✔True
A hotspot is a plume of magma rising from a stationary source near the
core-mantle boundary. T or F? - ✔✔True
Magnetite is a magnetic mineral found in basalt and its orientation provided
evidence for plate tectonics. T or F? - ✔✔True
Roughly how fast do most lithospheric plates move ? - ✔✔about 5
centimeters per year
The fastest growing alternative energy source is: - ✔✔Wind Power
The hot, partially melted, slowly flowing layer of the Earth is called the: -
✔✔Asthenosphere
The inner core of the Earth is primarily made of __________. - ✔✔Iron
