The answer is "decreased". Theoretically speaking this is called decompression melting, It is the reduction in pressure which enables the rock to melt, leading to magma foundation.
Explanation:
It is known that a rapid decrease in pressure can cause the mantle to melt, even without an increase in temperature. This is called decompression melting.
The factors that affect personal health that are the most easily controlled are c) lifestyle. You can easily change the way you are living, whereas these other things cannot be.
