I need the answer to the last question

Which term refers to the total dollar value of the goods and services produced in a country in a year?

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of