Question 1

Oceanic crust is primarily:

Accepted Answer

A)  basalt. 
B)  carbonate sedimentary rocks. 
C)  clay minerals. 
D)  granite. 
E)  siltstone. 
A)  basalt. 
B)  carbonate sedimentary rocks. 
C)  clay minerals. 
D)  granite. 
E)  siltstone.

Question 2

Free oxygen in our atmosphere is important to the development and maintenance of life on Earth because oxygen:

Accepted Answer

A)  combines with iron in volcanic rocks. 
B)  can form ozone and block some UV radiation. 
C)  is necessary for photosynthesis to occur. 
D)  reduces atmospheric temperature. 
E)  was very abundant in our early atmosphere. 
A)  combines with iron in volcanic rocks. 
B)  can form ozone and block some UV radiation. 
C)  is necessary for photosynthesis to occur. 
D)  reduces atmospheric temperature. 
E)  was very abundant in our early atmosphere.

Oceanic crust is primarily:

Free oxygen in our atmosphere is important to the development and maintenance of life on Earth because oxygen:

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interface

Ocean Circulation

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Oceans

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Pelagic Environment

Animals of the Benthic Environment

The Oceans and Climate Change

Filters

Exam 1: Introduction to Planet Earth

Oceanic crust is primarily:

Free oxygen in our atmosphere is important to the development and maintenance of life on Earth because oxygen:

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interface

Ocean Circulation

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Oceans

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Pelagic Environment

Animals of the Benthic Environment

The Oceans and Climate Change

Filters