Brainliest for the first and correct answer!

the most stable elements are the
a) protons
b) elements
c) noble gases
d) metalloids

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

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

About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?