What law gives you the legal right to know about all the hazardous chemicals that you may be exposed to at work, the specific hazards associated with those chemicals, and what to do to protect yourself?

What is the columbian exchange? o a. the changes that resulted from europeans settling in the new world b. the relationships that columbus and his men had with the natives they met o c. the ships that columbus bought with money from the king and queen of spain o d. the increase in the number of native american towns in the new world