There are 1 1/2 times the amount of
we need on the planet today

Smog is the term used to describe the combination of fog and smoke

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

Which of these conditions most likely produces an unstable isotope?