Penguins are negatively impacted by humans in many ways but what are the two main threats to penguins today?
A) Global warming and overfishing
B) Global warming and oil spills
C) Overfishing and introduced predators
D) Overfishing and oil spills

Which of the following best describes brazil's economy from 1650-1880? a. it gradually shifted to manufacturing as the industrial revolution progressed. b. it was based on mining. c. it was based on plantation agriculture, where slaves served as a labor force. d. it was based on small, family-owned farms.

Which phrase describes the time it takes for a planet to make a complete rotation

Which of the following statements best describes the quantity theory of inflation? a. inflation occurs because production cost rise and this cost increase is passed on to consumers in the form of higher prices b. inflation occurs because there is too much money in the economy c. inflation occurs because demand of good and services exceeds existing supplies d. none of these