The first way to detect a black hole is by their gravitational influencee.
<span>There are more than 550 active volcanoes in the world, almost all of which are located at convergent tectonic plate boundaries. From the list, all except mauna are located along the converging plate boundary. These are the volcanoes:
-Arenal-El Chichon-El Misti-Falcon-Katmai-mount Rainer-Pinatubo-Rabaul-tambora-unzen-villarrica</span>
A psychical geographer would not study political system -rather the human geographer would study political systems.
A human geographer would study human cultures and relations - and among the options only one refers to human activities, namely:
b. the housing styles of the Baka people of the Congo
