The development of the embryo/fetus occurs in the vagina fallopian tubes uterus ovaries

answer; i believe that the correct answer is (b) is a factor associated with physical activity and heart disease;

the plates spread at mid-ocean ridges (they are divergent plate boundaries) which allows magma to rise through the weakness between the plates. the magma then emerges as lava from the boundary and cools, creating a new crust.