Answer: validity of data, claims, hypotheses, and observations
Explanation:
B is correct. Krypton is a noble gas which has a full outer shell of 8 electrons and is generally unreactive because of it.
The nervous system is sending nerve receptors to your brain so that your arm the muscular system will throw the ball the skeletal system allows yourself to hold the ball and works with the muscles to contract and the amp system allows your body to create energy so you can throw the ball
It would be called a biome, like a tundra or a desert.