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.
Despite his other successes, Wilde never became the he Novelist had hoped to be.
b is right option
hope this helps
Is there a picture to help me understand what ur doing
