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Which statement best describes the age of the seafloor?
Select one:
a. It is constant throughout the world.
b. It is younger near the center and older near the continents.
c. It is older near the center and younger near the continents.
d. The seafloor is the newest landform on Earth.
The Pangaea theory supports the theory of plate tectonics because _____________.
Select one:
a. it is based on the idea that there were several land masses when Earth was first created
b. it is based on the idea that all the present continents were one supercontinent
c. it does not require scientists to support the notion that Earth’s plates can move
d. one day, Earth will have one large land mass again
What is a subduction zone?
Select one:
a. A place where one plate is pushed down under another, such that it melts into the mantle
b. A place where two plates collide and mountains form
c. A place where hot material from the core rises through the mantle
d. A place where the seafloor is spreading

Respuesta :

taskmasters
"It is younger near the center and older near the continents" is the statement that best describes the age of the seafloor. The correct option among all the options that are given in the question is option "b". 

The Pangaea theory supports the theory of plate tectonics because it is based on the idea that all the present continents were one supercontinent. The correct option among all the options that are given in the question is option "b". 

A subduction zone is a place where one plate is pushed down under another, such that it melts into the mantle. The correct option among all the options that are given in the question is option "a". 
saadhussain514

Answer 1


B) It is younger near the center and older near the continents.

Explanation:

In nature, oceanic plates are more responsive to subduction as they get older. Because of this relationship between age and subduction potential, the very little ocean floor is older than 125 million years and nearly none of it is older than 200 million years.

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Answer 2


B) It is based on the idea that all the present continents were one  supercontinent

Explanation:

The device for the breakup of Pangea is now described in articles of plate tectonics preferably than Wegener's outmoded theory of continental drift, which clearly said that Earth's continents were once connected together into the supercontinent Pangea that remained for most of the geologic time.

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Answer 3


A) A place where one plate is pushed down under another, such that it melts into the mantle

Explanation:

A subduction zone is the largest wreck scene on Earth. These lines indicate the crash within two of the planet's tectonic plates. The plates are pieces of crust that slowly move across the planet's cover over millions of years. Where two tectonic plates meet, if one or both of the plates are oceanic lithosphere, a subduction zone will form. An oceanic plate will soak back into the mantle. Remember, oceanic plates are made from mantle material at midocean ranges.

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