| biological |
having to do with living things and their life processes. |
| chronicle |
an account of events, told in the order in which those events took place. |
| dissatisfy |
to fail to meet the expectations of; disappoint. |
| epidemic |
an outbreak of disease that spreads rapidly to many people in one area. |
| inhale |
to breathe in; take in by breathing. |
| interaction |
action of one upon another or others; action in response to others; influence, or effect. |
| ongoing |
continuing from sometime in the past into the present. |
| optimist |
one who usually or in a specific instance expects a good outcome. (Cf. pessimist.) |
| politics |
the work or study of government. |
| previously |
just before another. |
| revenue |
money gained from selling property or investing money. |
| savanna |
a flat plain covered with grass that also has scattered trees. Savannas are found in Africa and other tropical regions. |
| sole1 |
single and alone; not one among others; only. |
| thermal |
using, resulting from, or producing heat. |
| trend |
a general course, direction, or tendency. |