Answer:
the concept that best represents the situation described here is: Thermal runaway or positive feedback. Higher atmospheric temperatures cause glaciers
Explanation:
Answer: Option (A) and (C)
Explanation: In case of slow sea floor spreading, the magma within the crust doesn't get proper way to exert the force upward because of its slower rate of spreading. Due to this, rifting occurs along the mid oceanic ridge.
Due to continuous rifting, it forms a valley known as the rift valley. This rift valley lacks in ridge and is comparatively smooth compared to a fast spreading sea floor, in which the topography appears to be rough and ridges are formed.
Thus, the statements that are true are option (A) and (C).
There re different kinds of rocks. Compared to continental rocks, some of which are more than 4 billion years old, the rocks of the ocean floor are <u>extremely </u>young.
<h3>What rocks are found on the ocean floor?</h3>
The rocks of the ocean floor are known to be mid-oceanic ridge basalts, that is formed from low-potassium tholeiitic magmas.
Basalt is known to be the most common rock of volcanic rock that is found on the sea floor. The Rocks from the sea floor is said to be not the same from those seen on land as a result of their shape and chemical composition
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