Salamanders can regrow entire limbs and regenerate parts of major organs, an ability that relies on their immune systems, research now shows. ... They then wiped out some or all of the macrophage cells to determine whether these cells were essential for regrowing the limbs.
Answer:
Redundant
Explanation:
The word Redundant means that it applies to things that are things that are unnecessary and can be left out.
exceeding what is necessary or normal
Redundancy is when we use two or more words together that mean the same thing, for example, 'adequate enough'. We also say something is redundant when a modifier's meaning is contained in the word it modifies, for example, 'merge together'.
Yes, I believe the answer to your question is B. :)
