Answer:
glass like.
Explanation:
Like obsidian, if you break it it will be really sharp.
Irdk but that is a very good question
Answer:
Convection currents
Explanation:
Convection currents are defined as the vertical movement of heat or moisture(energy) from one location to another primarily due to the temperature changes within the substance. Some of the examples of convection current may include boiling water, convection currents in the atmosphere and in the ocean, weather changes, campfires, etc. Thus, the air that moves in huge circular patterns as a result of temperature differences is known as convection currents.
8x=8
x=1
you move the common factors together