The purple areas on the map above highlight the world region with climates

Purple could mean many things but if it's talking about climate and such then cooler colors like purple are usually meaning colder climate

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!

Radiometric dating of igneous rocks