In 2010, nominal gdp was approximately $14. 5 trillion; in 2011, it was approximately $15. 1 trillion. Calculate the percentage change in gdp over this time period:.

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.

What is it called when someone gets sick from eating food contaminated with germs or toxins? a. potentially hazardous food b. ptomaine poisoning c. foodborne illness d. raw food

The difference between the observed value and the mean of the set of values is a