Known since ancient times. It was first recognized as an element in the second half of the 18th century.

A.L. Lavoisier proposed carbon in 1789 from the Latin carbo meaning "charcoal." A.G. Werner and D.L.G. Harston proposed graphite from the Greek grafo meaning "to write," referring to pencils, which were introduced in 1594. Diamond … Read more

We went through the same thing and what you need to do is get a health inspector to look at the mold to determine if it was harmful or not. It was and we told or landlords that we needed it fixed or released out of our lease. They fixed the problem but they also … Read more