Does the sentence "Of these, about one eighth of known plant species are threatened with extinction." provide a valid answer to the question "How many plant species are close to extinction?"

A: yes

Does the sentence "Using horizontal polarization, ghosting is reduced because the amount of reflection of electromagnetic waves in the p polarization (horizontal polarization off the side of a building) is generally less than s (vertical, in this case) polarization." provide a valid answer to the question "Buildings can create ghost images because of what?"

A: no

Does the sentence "This is accompanied by low levels of fat which have a favourable mix of fatty acids." provide a valid answer to the question "How much healthy fat in in the average serving of poultry?"

A: no

Does the sentence "In fact, there is no Latin translation of the taliqa and, most importantly, no evidence of Latin scholars ever showing awareness of Arab influence on the Latin method of disputation, something they would have certainly found noteworthy." provide a valid answer to the question "What do scholars believe is the reason for similarities between Islamic and European schools?"

A:
no