Answer:
A. Wild life survey
Explanation:
The only answer that involved observing the wild life
Your answer would D the neutrons have to balance out. I hope this helps.
Answer:
1. Ca(NO3)2 and AgCl3
2. AgCl3
3. Ca(NO3)2
4. a solid that forms out of a solution
Explanation:
1.
3CaCl2 + 2Ag(NO3)3 --> 3Ca(NO3)2 + 2AgCl3