What is the main idea of Geographical Landforms ?

At the meso- and microscales, landform is the greatest predictor of plant and soil trends.

Explanation:

A landform is a feature on the Earth's surface that is part of the terrain. Mountains, hills, plateaus, and plains are the four major types of landforms. Minor landforms include buttes, canyons, valleys, and basins. Tectonic plate movement under the Earth can create landforms by pushing up mountains and hills.

Explanation:

Classical conditioning.

Explanation:

Classical conditioning is a form of association between a conditioned stimulus with an unrelated one which produces a behavioral response. In this case, the recovered heroin abuser experienced withdrawal symptoms when he returned to the place where he had previously used the drug and experienced the same effects.