The bottom of geothermal sources is abundant in black-colored ores (sulfites) of iron, copper, zinc, nickel and other metals called "black smokers". Iron ores are rocks from which metallic iron can be obtained. Metals, originally disseminated on magma-laden or rocky paths, are concentrated in fluids and can be redeposited if they encounter favorable temperatures and pressure conditions, forming mineral veins.
This is your own opinion. You can’t get a question wrong if it is an opinion. If your teacher/professor takes points off a question that is your own opinion you can contest it because your teacher would be using bias against your answer. Which teachers can’t do
C, John Ross and the Cherokee Indians
Answer:
By the 1400s, China had developed an immense naval exploration capacity and high-level technology, however, they had no interest in the Europe of the Dark Ages, so through that century, China retired into isolation.
Explanation:
By the 1500´s Europe’s era of exploration and colonization, China has closed itself to the point that building a boat with more than two masts became a capital offense and all oceangoing ships were destroyed.
