They are all <u>non-metal elements</u>.
D has the fastest reaction rate because dynamite explodes almost immediately.
A isn't correct because rusting nails take forever to completely rust.
B isn't correct because logs burning can take around 10 to 20 minutes.
C isn't correct because food digestions takes anywhere between 10 minutes to an hour.
describes what occurs every time in a given situation
Lesser. atomic number means proton number
