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?

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

Asea turtle has washed up on a remote section of a beach. this known as a stranding occurs when a dead, sick or injured sea turtle washed up on the shoreline. which statment best explain why stranding should be reported immediately to local authorities

Is becoming less expensive to screen blood samples for dna certain diseases have genetic basis what is possible ethical concern about the availability of inexpensive dna testing