Lava cools more rapidly above ground than it does underground because it's much colder above ground than it is underground, speeding up the process.
Think about it this way: If you put a cup of water in two freezers, and Freezer A had a lower temperature than Freezer B, the water in Freezer A would freeze quicker because it is in a colder environment. Hope this helps!
sa bilang 1-3 ang sagot ay B. sa bilang 4 ay A at sa bilang lima namn ay A
1)which is not a major factor resulting in pollution from increased economic activity in china?
D) more bycicles are being used for traveling purposes.
2) Economic trends in chinas Gross Domestic Product over a 50-Year period can be best described as (1point)
B)relatively stable with low levels of economic activity from the 1950's to the late 1990s.
I believe its b , hope it helps