I think the correct answer from the choices listed above is the last option. Market economies combine <span>elements of traditional and planned economies.</span> It<span> is an </span>economic<span> system in which </span>economic<span> decisions and the pricing of goods and services are guided solely by the aggregate interactions of a country's individual citizens and businesses. </span>
Usually, a sliding plate boundary(conservative boundary) causes earthquakes, while spreading plate boundaries(constructive) usually cause shield volcanoes.
Biochemical limestone is when the calcium carbonate is locked into the fossil shells and skeletons of marine organisms.
But chemical limestone is when the calcium carbonate is in the form of calcite mineral crystals.
Hope it helps!
when two air masses coming together the boundary between the two is called a weather front
