How is the death of a very large star different from the death of smaller stars

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

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone