Canada shares a long land boundary with Alaska and a long boundary with the Arctic Ocean to the North.
It also has a very short boundary with the Pacific Ocean, around Vancouver.
It actually also shares a maritime (water) border with Greenland - although if we discount this kind of border, we can accept Greenland as the correct answer.
Mountains because the tectonic plates are colliding and pushed up against each other.
Answer:
Major diseases
Tuberculosis. Tuberculosis is endemic in Afghanistan, with over 76,000 cases reported per year. ...
HIV. The prevalence of HIV in Afghanistan is 0.04%. ...
Poliomyelitis. ...
Pneumonia. ...
Malnutrition. ...
Leprosy. ...
Typhoid fever. ...
Hepatitis A.
Explanation: