Does the sentence "Antibiotics are screened for any negative effects on humans or other mammals before approval for clinical use, and are usually considered safe and most are well tolerated." provide a valid answer to the question "What are antibiotics screened for on mammals and humans?"

A: yes

Does the sentence "Nouns and adjectives are not case inflected (except for the genitive of proper nouns (names): -s, -'s or -')." provide a valid answer to the question "Which parts of speech aren't normally case-specific in Dutch?"

A: yes

Does the sentence "Freight elevators are typically larger and capable of carrying heavier loads than a passenger elevator, generally from 2,300 to 4,500 kg." provide a valid answer to the question "How do freight elevators differ from passenger elevators?"

A: yes

Does the sentence "It also became a center of slavery, with 42% of households holding slaves by 1730, more than any other city other than Charleston, South Carolina." provide a valid answer to the question "Which city in North America held the most slaves in the 1700s?"

A:
yes