| biology |
the science that studies the growth and life processes of living things. |
| brisk |
active or full of energy; lively; quick. |
| devote |
to give to a purpose; dedicate. |
| edit |
to correct, cut, add to, or change with the goal of producing a finished piece of writing or a film. |
| erosion |
wearing away of the earth's surface by wind or water. |
| mature |
fully grown. |
| mumble |
to speak low and in a way that is not easy to understand; mutter. |
| physics |
the science that deals with matter and energy, their qualities, and the relationships between them. It includes the study of light, heat, sound, electricity, and force. (The word is used with a singular verb.) |
| possible |
capable of being, happening, being done, or being used. |
| slush |
snow that is partly melted. |
| squeal |
a fairly long, loud, shrill sound or cry. |
| stiffen |
to make or become rigid, harder, or less flexible. |
| surgery |
an operation done by a surgeon. |
| various |
of different kinds; diverse. |
| vote |
a formal expression of a choice in an election or other group decision. |