Maybe size or mass .........
Usually, one of the converging plates will move beneath the other, which is known as subduction. Deep trenches are often formed where tectonic plates are being subducted and earthquakes are common. As the sinking plate moves deeper into the mantle, fluids are released from the rock causing the overlying mantle to partially melt. The new magma (molten rock) rises and may erupt violently to form volcanoes, often building arcs of islands along the convergent boundary
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C. judgment is first
hope this helps
Crew members must exercise every day to prevent bone and muscle loss. Exercise is an important part of the daily routine for astronauts aboard the station to prevent bone and muscle loss. ... That means exercise equipment needs to be specially designed for use in space so astronauts will receive the workout needed.
