Question 1

Based on evidence that supports the hypothesis regarding an ocean on Mars, which of the following statements is TRUE?

Accepted Answer

A)  Mars has an ocean today. 
B)  Mars has an ocean, and it is probably hidden in vast caverns beneath the surface of the planet. 
C)  Mars may have had an ocean in ancient times, perhaps 1-3 billion years ago. 
D)  Mars may have had an ocean until very recently. 
A)  Mars has an ocean today. 
B)  Mars has an ocean, and it is probably hidden in vast caverns beneath the surface of the planet. 
C)  Mars may have had an ocean in ancient times, perhaps 1-3 billion years ago. 
D)  Mars may have had an ocean until very recently.

Question 2

Scientific hypotheses are never revised or updated.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following statements is TRUE concerning the temperature of the ocean about 4 billion years ago?

Accepted Answer

A)  The temperature was about the same as today's ocean. 
B)  The temperature was much colder than that of today's ocean. 
C)  The temperature was extremely hot as compared with today's ocean. 
D)  The temperature was only slightly warmer than today's ocean 
A)  The temperature was about the same as today's ocean. 
B)  The temperature was much colder than that of today's ocean. 
C)  The temperature was extremely hot as compared with today's ocean. 
D)  The temperature was only slightly warmer than today's ocean

Question 4

The primary physical property that sorts the Earth, ocean, and atmosphere is ____.

Accepted Answer

A)  density stratification 
B)  radioactive decay 
C)  gravity 
D)  mass 
A)  density stratification 
B)  radioactive decay 
C)  gravity 
D)  mass

Question 5

On a planetary scale, the ocean comprises about ________ of the Earth's mass.

Accepted Answer

A)  8% 
B)  71% 
C)  20% 
D) 0.02% 
A)  8% 
B)  71% 
C)  20% 
D) 0.02%

Based on evidence that supports the hypothesis regarding an ocean on Mars, which of the following statements is TRUE?

Scientific hypotheses are never revised or updated.

Which of the following statements is TRUE concerning the temperature of the ocean about 4 billion years ago?

The primary physical property that sorts the Earth, ocean, and atmosphere is ____.

On a planetary scale, the ocean comprises about ________ of the Earth's mass.

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

Filters

Exam 1: The Origin of the Ocean

Based on evidence that supports the hypothesis regarding an ocean on Mars, which of the following statements is TRUE?

Scientific hypotheses are never revised or updated.

Which of the following statements is TRUE concerning the temperature of the ocean about 4 billion years ago?

The primary physical property that sorts the Earth, ocean, and atmosphere is ____.

On a planetary scale, the ocean comprises about ________ of the Earth's mass.

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

Filters