Does the sentence "Imperfective verbs may undergo further morphology to make other imperfective verbs (iterative and frequentative forms), denoting repeated or regular action." provide a valid answer to the question "What can imperfective verb undergo to make other imperfective verbs?"

A: yes

Does the sentence "Washington University and its Medical School play a large part in the Human Genome Project, where it contributes approximately 25% of the finished sequence." provide a valid answer to the question "What percentage of the sequencing did the Washington University Medical School contribute to the Human Genome Project?"

A: yes

Does the sentence "The letter wynn is usually replaced with w, but sc, eth and thorn are normally retained (except when eth is replaced by thorn)." provide a valid answer to the question "When eth is replaced, what is it replaced by?"

A: yes

Does the sentence "The British Isles lie at the juncture of several regions with past episodes of tectonic mountain building." provide a valid answer to the question "What formed the hills of Munster and the southern part of Wales?"

A:
no