ANSWER: C, the continents were at one time joined together.
REASONING: Alfred Wegener was the first person to propose the scientific theory of Continental Drift. Continental Drift is a theory that supposes all the continents were at one time joined together as one large land mass. The mechanisms of continental drift can be explained by Plate Tectonics.
Answer:
D. In the tunica, cell divisions are parallel to the stem axis, giving rise to thick layers of tissues covering the inside of the tip.
Explanation:
Global ocean is not part of the structure.
the structure consists of crust, mantle, outer core and inner core
Because of this catastrophic event the consequence will be Prolonged drought