Answer:
gold or species
Explanation:
Africa, Portugal. Portuguese expansion into Africa began with the desire of King John I to gain access to the gold-producing areas of West Africa. The trans-Saharan trade routes between Songhay and the North African traders provided Europe with gold coins used to trade spices, silks and other luxuries from India
2.75x10^ -10
Just move the decimal behind the first whole number that's not Zero. You move it 10 times right so it's -10 power
Answer: I think it might be D
Explanation:
I remember reading something about it