Q: Does "The common features of passive solar architecture are orientation relative to the Sun, compact proportion (a low surface area to volume ratio), selective shading (overhangs) and thermal mass." provide a valid answer to "What is a common feature of passive solar architecture?"?
A: yes

Q: Does "Many are also among the longest-distance migrants; sooty shearwaters Puffinus griseus nesting on the Falkland Islands migrate 14,000 km (8,700 mi) between the breeding colony and the North Atlantic Ocean off Norway." provide a valid answer to "How far will Puffinus griseus migrate each year?"?
A: yes

Q: Does "The abundant species can interbreed with the rare species, swamping its gene pool." provide a valid answer to "What behavior causes swamping of a gene pool?"?
A: yes

Q: Does "By the late 1960s, many of the resort's once great hotels were suffering from embarrassing vacancy rates." provide a valid answer to "By what years were many of the great hotels suffering from high vacancy rates?"?
A:
yes