| A | B |
|---|
| atmosphere | the layer of gases that surrounds Earth. |
| avalanche | sudden sliding of rocks/snow down a mountain. |
| collision | violent coming together; crash. |
| cycle | series of events repeating in the same order. |
| data | facts and figures from which conclusions can be drawn. |
| injured | hurt or harmed. |
| intense | very great or strong. |
| typical | usual; showing characteristics of a perticular group. |
