Sandra is actually looking at the borders of the countries. The correct option among all the options that are given in the question is the first option or option "A". The dark lines separating each of the countries on the map of Europe are actually the borders of the countries in Europe. I hope the answer helps you.
1. Physical weathering
2. Chemical weathering
3. Biological weathering
1. B
2. D
Reason for 1: to make a wind turbine go it requires A LOT of energy and u are very high up which causes high risk
2: not much to explain due to all the questions being correct.
True the demography is the scientific study of population characteristics
