4 elements are classified in group 4 like titanium, zirconium, hafnium and ruthorfordium
Use gloves so your nails wont puncture it and because its soft
Today, natural sciences<span> are more </span>commonly divided<span> into life </span>sciences<span>, such as botany and zoology; and physical </span>sciences<span>, which include physics, chemistry, geology, astronomy and materials </span>science<span>.</span>
