Tectonic plate movement under the Earth can create landforms by pushing up mountains and hills. Erosion by water and wind can wear down land and create landforms like valleys and canyons.
Secondary reinforcers are learned or conditioned. An example of a secondary reinforcer is grades or money. Secondary reinforcers are learned and are reinforced by the continual use of the reinforcer. Primary reinforcers are biological and include food, drink, and pleasurable activities.
The correct option is this: BIPHASIC RESPONSE ILLUSTRATES HOW BAC AFFECTS ONE'S MOOD.
Biphasic effects of alcohol refers to the two distinct effects which alcohol has on drinkers. When a drinker is just starting out and the BAC in the blood is still less than 0.05, the drinker will be experiencing euphoria, but once the BAC is above this point, the drinker will feel down and depressed. The occurrence of these two moods in one event earned it the name of bihphasic, it means two phases.
The major landforms in the northeast of North America are the Atlantic coastalplains<span>, </span>Appalachian Mountains<span>, the </span>Adirondack Mountains<span> and natural communities. Each is characterized by distinct geological features and the natural plant and animal species that live in each region.</span>
