For number 3? Uh. i dont know much about canada so i cant help but maybe do some quick research on canada then try answering it yourself? There really might not be a wrong answer. im not sure
Imaginary line or Half of the earth dividing north east west or south.
Your answer should be B. Marine West Coast. Hot, dry summers and damp/rainy, cold winters. Hope this helps! =^-^=
Answer is Europe environmental solutions must be confined by political borders