Answer: <em>The reaction is an example of a metathesis reaction, which involves the exchange of ions between the Pb(NO3)2 and KI. The Pb+2 ends up going after the I- resulting in the formation of PbI2, and the K+ ends up combining with the NO3- forming KNO3.</em>
Explanation:
The answer is (1) !!
it is one direction, from sun to produces to consumer !!
The answer is A) nucleus acid! 2 weeks ago we just experimented it!
I hope it helps
They carry oxygen to your entire body, and carry carbon dioxide away from your body to be exhaled.