Flood. In 1993, the Great Midwest Flood killed 48 people and caused $18 billion in damage.

Erythrocyte. Erythrocytes are responsible for delivering oxygen to body tissues.

Cricket. The higher their surrounding temperature, the faster crickets will chirp.

Pluto. Since being declassified as a planet, Pluto's technical name is "134340".

It Becomes Dense. Warm air pushes cold air down, creating an inversion.

Rabbit. In Australia, rabbits are considered a serious pest that is responsible for widespread erosion.