Answer:
A. 20°C
Explanation:
If you add 27,12,31,19,23,11, and 17 altogether, it's 140. 140 divided by 7 is 20. So, 20 is the average.
Tiny crystalline structure are usually found in magma when it cools off on earth's surface. A mixture of molten rocks, volatiles and solids that is beneath the earth's surface is called Magma. When the magma rises at the earth's surface and begins to cool off it is now called "lava".
Answer:
People, not machines, perform fingerprinting. They do search for a particular amount of matches before taking into account a whole match.
Explanation:
