Which data is used to make a sonar map of the ocean floor?(1 point)

Responses

the time it takes an underwater vehicle to reach the ocean floor
the time it takes an underwater vehicle to reach the ocean floor

the amount of spreading that occurs on the ocean floor
the amount of spreading that occurs on the ocean floor

the time it takes for a pulse to bounce from the ocean floor
the time it takes for a pulse to bounce from the ocean floor

the amount of light that reaches the ocean floor

the time it takes for a pulse to bounce from the ocean floor

Which describes how the Atlantic Ocean and the Pacific Ocean changes over time?(1 point)

Responses

Both the Atlantic Ocean and the Pacific Ocean are getting larger.
Both the Atlantic Ocean and the Pacific Ocean are getting larger.

Both the Atlantic Ocean and the Pacific Ocean are getting smaller.
Both the Atlantic Ocean and the Pacific Ocean are getting smaller.

The Atlantic Ocean is getting larger, while the Pacific Ocean is getting smaller.
The Atlantic Ocean is getting larger, while the Pacific Ocean is getting smaller.

The Atlantic Ocean is growing smaller, while the Pacific Ocean is getting larger.

The Atlantic Ocean is getting larger, while the Pacific Ocean is getting smaller.

Which pattern describes the ages of ocean rocks based on core samples from the ocean floor?(1 point)

Responses

Younger rocks are warmer and are located closer to subduction zones.
Younger rocks are warmer and are located closer to subduction zones.

Younger rocks are warmer and are located closer to mid-ocean ridges.
Younger rocks are warmer and are located closer to mid-ocean ridges.

Younger rocks are colder and are located closer to subduction zones.
Younger rocks are colder and are located closer to subduction zones.

Younger rocks are colder and are located closer to mid-ocean ridges.

Younger rocks are warmer and are located closer to mid-ocean ridges.

What information is revealed by magnetism on rocks?(1 point)

Responses

luster
luster

minerals
minerals

age
age

mass

age