In your opinion, What is the main topographic distinction between The Northern European plain and other parts of Europe? *

The Alpine Mountains include ranges in the Italian and Balkan peninsulas, northern Spain, and southern France. The region includes the mountains of the Alps, Pyrenees, Apennines, Dinaric Alps, Balkans, and the Carpathians. High elevations, rugged plateaus, and steeply sloping land define the region.

Explanation:

answer; /// i believe that the correct answer is (fossils);

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.