Leather jacket is made from a synthetic material I think
The answer is B because isotopes have the same number of protons and neutrons.
<span>The statement is false. It was Democritus, a Greek
philosopher, who first theorized that matter was ultimately composed of atoms.
His ideas were not widely accepted in his time (460-370 B.C), but during the 19th
century, John Dalton proposed this theory and gained broad acceptance.</span>
Ocean currents act much like a conveyer belt, transporting warm water and precipitation from the equator toward the poles and cold water from the poles back to the tropics. Thus, currents regulate global climate, helping to counteract the uneven distribution of solar radiation reaching Earth's surface.
Group 8 elements are also known as the noble gasses. These elements already have a full valence shell with 8 valence electrons. This leaves the elements non-reactive as they are already stable and in a low energy state.