B is correct. Krypton is a noble gas which has a full outer shell of 8 electrons and is generally unreactive because of it.
<span>Minerals have an ordered internal atomic arrangement which means that the atoms which make up the mineral are arranged in an ordered geometric pattern or also known as the crystal structure. Thus, it can be concluded that all minerals are crystals. The crystal structure is the same for the same type of mineral. For example, every piece of quartz found anywhere have the same crystalline structure. </span>
Answer:
B: humans inhale oxygen from plants which is used in cellular respiration to produce water
Explanation:
Answer:
A. the frequency will decrease because all mutations are harmful, thus People with the mutation will die.