Brainliest for whoever's correct!
Use the drop-down menus and what you have learned about potassium-argon dating to complete the sentences. Radioactive dating can be compared to an hourglass, with the elements on the top. Scientists compare in the rock to determine its age. Potassium-argon dating is ideal for dating and rock.

The diagram illustrates the activity of vesicles during a cellular process.

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

Variety of living organisms; includes genetic, species, and ecological types.