1- The correct answer is C, as the raccoon dog is not related to the raccoon family. The raccoon dog is a species of carnivorous mammal of the Canidae family, that is to say, relative to the canines (for example, dogs and wolves).
2- The Japanese knotweed was originally brought to Europe for ornamental purposes. It was introduced to Europe in the 19th century as a decorative garden plant.
3- All of the following have contributed to Europe’s pollution problem by being released into the water supply, except pesticides, as those are one of the main water polluters around the planet.
