Look at the section of tectonic map. describe what is happening at the plate boundary. missing metadata a. the seafloor is spreading. b. an oceanic plate is subducting. c. two continental plates are colliding. d. two plates are sliding past each other.

A

Explanation:

The seafloor is spreading because as you can see, the arrows are pointing left and right and it is next to the bottom of the seafloor.

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correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

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explanation: