Answer:
The answer is explained below
Explanation:
If you add dilute HCl (Hydrochloric Acid) to the solution, and you see fizzing, then it is the carbonate. I would recommend doing this under a fume hood, as HCl has a wicked smell, and can make a few people sick to their stomach (however, you probably won't be using 12M concentrated HCl)
1. Deeply embedded pearls.
2. All of the above
3. Fluid trapped in sedimentary
4. All of the above
Answer: a,b
Explanation: because a scientific theory is something that been thought of and tested multiple times.
Don't you think that element is ferrous i mean iron.