That sounds like a cone. One surface is a circle and the other surface is curved.
A full circle has 360 degrees; so just divide the 360 degrees by 6 in this case.
The Slavs
physical change
acid + base = salt + water
same as any other tornado just over water
Bacteria and Cells with fomed from the big bang, but if you are a creationist then, Adam and eve
The sharing of electrons (equally or uneqally as in polar covalent bond.
nothing happens.
The seashell is fomed from calcium carbonate; CaCO3 is thermally decomposed by heating.
It is a precipitate.
Carboxyhemoglobin is the complex fomed by the combination of carbon monoxide and hemoglobin.
Bacterias, which are the lowest and the simplest.