What are the three stages of volcanic activity?
a active, magma, lava
b. eruption, quiet, explosive
c.
d.
extinct, eruption, explosive
active, dormant, extinct
select the best answer from the choices provided

The answer is:

D. Active, dormant, and extinct. A volcano always starts out as active, moves onto a dormant state, then eventually becomes extinct. :)

about 40,000,000 results (0.81 seconds)  

search results

what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.

a covalent bond, specfically triple bond