Scientists can't determine because it's far to fragile and hot to dig into the earth therefore we don't know exactly how it is just can give an estimate based on what we already know from the other layers
Answer:I think it’s East Asia
Explanation:
Star A is brighter, since brightness increases as the number decreases.
The Rate of movement of the Pacific Plate will be 37.87cm per year.
Underneath the Pacific Ocean is an oceanic tectonic plate known as the Pacific Plate. It is the largest tectonic plate at 103 million km2. The Farallon, Phoenix, and Izanagi Plate triple junction are where the plate initially formed 190 million years ago.
From the information given, the following can be deduced:
Distance = 500 km = 50000000cm
Time = 1.32 million years = 1320000 years.
Therefore, the rate of plate movement will be (i.e. speed) :
(speed) = Distance / Time
(speed) = 50000000 / 1320000.
(speed) = 37.87 cm/yr
To know more about Pacific Plate refer to: brainly.com/question/5794493
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