What did the population pyramid of Canada look like in 1960? What will it look like in 2050? Explain how this will impact you in the future.

Answermongolia;

The answer to your question is d. convection currents. hope this you.

The circumcenter is  equidistant  from each vertex of the triangle. the circumcenter is at the  intersection  of the  perpendicular bisectors  of the triangle's sides. the circumcenter of a right triangle falls on the side opposite the right  angle. the incenter  of a triangle is always inside it.