Why is CRISPR so controversial?

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean