There are 7 significant figures
Answer: A substitution is a mutation that exchanges one base for another (i.e., a change in a single "chemical letter" such as switching an A to a G). Such a substitution could: change a codon to one that encodes a different amino acid and cause a small change in the protein produced.
Explanation: I know this is correct just trust me and please mark me as brainiest.
Answer:
Explanation:
It resembles a simple composition. Your instructor may not accept that answer. What is happening is the Fe is giving up 2 electrons so that it may embrace the C5H5.
That's usually what happens in a simple composition.
What makes me wonder is the C5H5. It has no charge and yet the Fe is shown as giving up 2 electrons. I'm guessing that either a halogen is introduced or something is to the left of C5H5 on the left side of the equation.
Anyway it is a composition of some kind.
I think it is 12........................