Answer:
d
Explanation:
Alfred Wegener in 1915 published 'The Origin of Continents and Oceans'. But geologists denounced his theory. Wegener's Continental drift is the theory that the different continents of the planet earth have moved over time causing them to shift positions. he thought all continents were once joined together before breaking up to different positions.
Part of the objections he faced was because he did not have much evidences to back up his theory.
The Columbian Exchange greatly affected almost every society on earth, bringing destructive diseases that depopulated many cultures, and also circulating a wide variety of new crops and livestock that, in the long term, increased rather than diminished the world human population
<span>The nature flows from high to low to form the equilibria in temperature, pressure or concentration. Winds blow from high pressure area to low pressure zone. Colder winds occur from high pressure area while dry air are formed from low pressure area. Ocean currents flow from warm breeze to cold breeze in day and reversed during night.</span>
