Does the sentence "By the end of the 6th century, Slavs had settled the Eastern Alps regions." provide a valid answer to the question "When had the Slavs settled the Eastern Alps?"

A: yes

Does the sentence "Access to canals and rivers has improved recently, including the creation of the Thames Path, some 28 miles (45 km) of which is within Greater London, and The Wandle Trail; this runs 12 miles (19 km) through South London along the River Wandle, a tributary of the River Thames." provide a valid answer to the question "What river is a tributary of the River Thames?"

A: yes

Does the sentence "An area stretching from the northern side of the Seward Peninsula to the Kobuk River valley (i. e., the region around Kotzebue Sound) is technically a desert, with portions receiving less than 10 in (25 cm) of precipitation annually." provide a valid answer to the question "How much precipitation does the desert area of Western Alaska receive?"

A: yes

Does the sentence "Topics like racism, slavery, and human sacrifice attract anthropological attention and theories ranging from nutritional deficiencies to genes to acculturation have been proposed, not to mention theories of colonialism and many others as root causes of Man's inhumanity to man." provide a valid answer to the question "What are good topics to attract the attention of an anthropologist?"

A:
yes