I think its poor leadership
The greenhouse effect give me a thanks or brainiest answer if this helps!
In my opinion the subfield of geography that is the most important is the study of climates or climatology.
<h3>What is climatology?</h3>
This is the study of climate and how it changes in the environment that we live in overtime.
The reason why this is very important is that it lets us know more about our changing environment.
The study helps us to avert the disasters that are associated with climate changes worldwide.
Read more on climate here:
brainly.com/question/17922964
D because it is freezing cold in Canada
C. increased job opportunities :)