<span>In areas of Latin America where drug production and trafficking are high, it is common to find </span>an increase in damage to sensitive ecosystems.
The answer would thus be: A
Because of the large amount of water
The answer you're looking for is "riverine". The other guy is just guessing.
The vast majority or Russia's area is in Asia, however small chunk of it lies in Europe. The capital, Moscow, is in the European part, so Russia is considered rather European country. Its eastern borders are close to Alaska, through Barrents Sea