Answer: seafloor spreading and subduction magmatism
Explanation: Continental crust are termed as the crust destroyed by plate tectonic process mostly.Continental crust usually lies above sea level and because of this existence of land life to evolve from marine life possible.
Seafloor spreading is a type of process in which tectonic plate of Earth's lithosphere separate from one another. Subduction is also a process related with continental crust that occurs when tectonic plates collide with each other rather than getting apart.
I believe the answer is C)
<u><em>China financed a large new fleet sent out to trade and build contacts under the command of Zheng He.</em></u>
Answer: Option C
<u>Explanation:</u>
- Ming dynasty is the one and only first Chinese dynasty that showed interest in trading with other countries. Zheng He was a great sea explorer who is also a fleet commander.
- He established trades with many foreign countries. He served under the third Emperor Yongle whose reign was between 1402 to 1424. He built big ships (some families can live in) also named them as Junk to travel in the sea.
- That made the Ming Dynasty earn more money. Ming Dynasty was interested only trading with Portuguese and Spain but most of the Europeans wanted to trade wit Asia for spices and teas.
- When Yongle died the funding for the travel was stopped and that was the end of the Ming Dynasty's International trade through seas.
New Zealand and the outback
