Analyst Questions

Sound waves cannot be transmitted through vacuum. 

If it loses an electron it becomes a positive ion

Karst topography is a landscape formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum.

We have all been taught that water freezes at 32 degrees Fahrenheit, 0 degrees Celsius, 273.15 Kelvin. That's not always the case, though. Scientists have found liquid water as cold as -40 degrees F in clouds and even cooled water down to -42 degrees F in the lab.

A glass is made of liquid sand. You can make glass by heating ordinary sand and made into a liquid and mix with silicates to form a glass.