The answer is: " a gradient " .
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Force of gravity drives to the process of subduction zones where dense pieces of oceanic crust are pulled downward toward the mantle.
We can term subduction as the process by which oceanic crust sinks into the mantle when it collides with continental crust. Subduction destroys oceanic crust by forcing it to the mantle where it melts.
Oceanic crust is said to be subducted because they contain more mafic minerals and again it has convergent boundaries. When there is a divergent between continental crust one oceanic crust sinks into the mantle.
The answer you are looking for is C
Answer:
B.
Explanation:
Because if they have traces of RNA in them, then it might be the first genetic material
The sympathetic nervous system.
This is a part of the nervous that operates involuntarily (you can’t control it) and functions to “turn you on” as part of the fight or flight response.
The parasympathetic is the other big involuntary part that mostly does the opposite functions.
