Answer:
Option: False
Explanation:
When European came to the New World, they brought not only settlers but diseases that widespread in Central and South America. The diseases were smallpox, chickenpox, and cholera, among many others. The diseases became the result of the deaths of the major ancient civilizations like Maya, Aztec and others with its entire population (people). Portuguese tried to recruit Native Americans in the fields and mines in Brazil but failed because of the death of the Natives with coming contact with the diseases, those who survived often escaped to the forests. Colonists found the solution for the labors by importing slaves from Africa.
The correct answer is C.
By definition, a bias is a systematic error that generates a distortion in the forecasted results. It can consist on an overestimating or underestimating a parameter.
For example, sampling bias appears when the sample obtained is not a proper representation of the underlying population.
Answer:
Copper:
Copper compounds produce blue colors in fireworks. Although Copper has a red appearance in solid form, when it’s set alight it creates stunning blue fireworks. Copper is used in electrical wire and roughly half of all copper mined is used for this purpose.
