Will give brainlisest who ever answer this If1/4 of the parent isotope remains, and 3/4 has been changed to the daughter isotope, how many half-lives have occurred?

its raceist

explanation:

it dosn't have red,yellow,green,blue,indigo,violet,or purple

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).

a. an idea which cannot be disproven!

explanation:

answerpalpalis group;