Answer:
compound
Explanation:
because now there are one together
Answer:
Around 450 B.C.
Explanation:
The idea was forgotten until the 1800 when John Dalton re-introduced the atom.
Answer:
The Moon's surface is dominated by igneous rocks. The lunar highlands are formed of anorthosite, an igneous rock predominantly of calcium-rich plagioclase feldspar
Explanation:
A. hex- Normally with 6, the prefix is hex-. For example a polygon having 6 sides is known as hexagon.
It describes the point at which the element is a solid liquid and has at a certain temperature and pressure