| actively |
in a way that involves making an effort, taking action, or participating. |
| drought |
a long period with little or no rain. |
| frequent |
happening often or repeated often. |
| harsh |
rough or not pleasing to the eyes, ears, or other senses. |
| hemisphere |
either of two halves of the earth. A hemisphere is formed by dividing the earth into the Northern and Southern Hemispheres at the equator, or into the Eastern and Western Hemispheres at a meridian. |
| mammoth |
a very large extinct mammal closely related to elephants. Mammoths were much bigger than elephants, and had shaggy black fur and long tusks that curved upward. Several kinds of mammoths lived in the Northern Hemisphere until the end of the last Ice Age. |
| metropolis |
a large city. |
| mime |
to act or portray with hand and body gestures only. |
| nerve |
any of the fibers that carry messages to and from the brain and other parts of the body. Nerves are bundled together into a complicated system that connects all parts of the body to the spinal cord and brain. |
| perpetual |
lasting forever. |
| surpass |
to be greater or larger than; go beyond. |
| tame |
taken from a wild state and made obedient; domesticated. |
| tend1 |
to be likely; usually do. |
| union |
the act of joining together. |
| vegetation |
plants or plant life in a particular place. |