Who established chemistry as as a pure science?

A. Robert Boyle
B. William Harvey
C. Isaac Newton
D. Francis Bacon

The viceroy of spain asked that coronado's expadition be cristian and apostolic and not a buchery,what does that mean and did cornado follow his orders

Which of the following are examples of limited resources on the part of consumers?

What was the main point of helen hunt jackson's book, century of dishonor? a.it showed how unfairly american settlers were treated by the us government. b.it proved that american government was not responsive to the will of the people. c.it made the point that free land was no longer available to new settlers out west. d.it outlined the poor treatment of the native americans by the government.