lead is not a man made substance. Infact lead is a poisonous element
lead is man made because they make it from rocks.
lead is made out of anything but lead itself.
by lead and water
Man made
Man made.
because lead is made from a certain thing that could kill you
Mastering agriculture is what made early man settle down in one place and stay.
Bluebird have adapted to use man made boxes for nesting. Their ready acceptance of the man made home has lead to a very successful conservation effort.
Technetium. Element 43, no stable isotopes.
Primary a bomb made with mercury fulminate, lead styphnate and lead azide are the most explosive.
Lead is an element, it is not made of anything but lead. But if you are talking about pencil lead then pencil lead is made of graphite.
The lead in pencils are not made out of lead, as is common belief. Pencil lead is made out of graphite.
lead is made out of anything but lead itself.
Lead pollution of their food sources, shooting and collisions with man made objects.
the lead in a lead pencil is made from clay and graphite
Cereal has lead in it.
Lead.
both, lead is made of graphite.