It was discovered in 1868.i hope this helps you .
Answer:
XL(toluene) = 0.77
XL(benzene) = 0.23
Explanation: see attachment
Answer: Im thinking the answer Is B) Bar graph?
Explanation:
The appropriate response is gamma radiation. Alpha particles can be halted via air. UV radiation can be halted by a typical layer of clothing.Beta particles can be ceased by the thick plastic suit. Just gamma radiation can enter the substantial suit. It must be halted by thick dividers of lead or cement.
When two air masses meet together, the boundary between the two is called a weather front. At a front, the two air masses have different densities, based on temperature, and do not easily mix. One air mass is lifted above the other, creating a low pressure zone.
