6. Drop to one quarter of its original value
The object that goes through chemical change, changes completely to where you can not change it back to its original form. Physical change you can undo
Because way back, when there were some kinds of plants that made
their own food, and other kinds of plants that depended on dinosaurs or
people to bring them food, guess which ones starved and became extinct,
and which ones lived and are still among us today.
6 meters is left because you subtract 12 meters from 6
