Which of the following specific examples has not been identified and explained by science as a large-scale event that has resulted in major disturbances in the ecosystems?
O Shifts of Earth's continental plates
O Large extraterrestrial objects hitting Earth
O Warmer ocean surface waters in the Pacific region in December and January
Elevated oceanic pH levels due to global warming

How can firms use marginal analysis to determine the price of a product? a) profit maximization can occur when the marginal cost exceeds the marginal revenue. b) the total cost of production can determine the individual unit price of a product. c) marginal analysis can be used to determine at what price profit maximization occurs. d) firms can calculate the marginal cost of a product and set the price lower than the cost.

Scientists are studying hurricanes to determine the number of hurricanes in the past 50 years that have caused greater than $1 million in damages. which best describes the population? hurricanes hurricanes that caused greater than $1 million in damages scientists scientists participating in the research

Ap courses are college level courses overseen by the