Why would a scientist want to replicate another scientists experiment

Abanana plant produces rhizomes, which are involved in?

Which system revise and send electrical signals throughout the body

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity