It's letter c i believe, because they need the DNA's instruction on how to copy the exact tissue copy.
D. I just took the test on USA Test prep so ya, remember to mark this the brainlyest answer
Answer:
Predators, food chain, fights with males, toxic water, contamination, plastic
Explanation:
A basic definition of an ionic compound is that they are molecules that consist of charged ions. These ions have opposite (both negative and positive) charges. On the other hand, covalent compounds are non-metals which are bound together, and consist of two electrons that are shared between two atoms.