Question

what is the meaning of the word repudiates as used in the passage? in his latest paper, dr. manning clearly repudiates dr. lees competing claim about the age of several egyptian artifacts. as he rejects lees hypothesis, manning cites extensive radiocarbon dating and careful analysis of the pigments and designs used to decorate the pottery shards. in view of mannings findings, archaeologists have decided to update their estimates about the artifacts age. refutes or dismisses disparages or ridicules updates or replaces

Explanation:

The context shows Dr. Manning rejects Dr. Lee's claim using evidence. "Repudiates" here means to refute or dismiss a claim. It doesn't imply disparaging/ridiculing or updating/replacing.

Answer:

refutes or dismisses