Answer: its either argon or phosphorus is this a constructed response or a multiple choice
Explanation:
<span>the answer is 0.2 ATM</span>
B - Sediment . Many layers of sediment slowly built up into a rock which turn into a fossil .
Synthesis. Iodine monobromide is formed when iodine and bromine are combined in a chemical reaction: I2 + Br2 → 2 IBr.
The first one would be the best answer