Q: Does "Unalloyed zinc is too brittle for these kinds of manufacturing processes." provide a valid answer to "Why isn't unalloyed zinc used in construction applications?"?
A: yes

Q: Does "Since all international telephone and internet communications are relying on this single satellite link both internet and telephone service are subject to sun outages." provide a valid answer to "How big is the satellite dish at the satellite ground station in feet?"?
A: no

Q: Does "The electric train can save energy (as compared to diesel) by regenerative braking and by not needing to consume energy by idling as diesel locomotives do when stopped or coasting." provide a valid answer to "What causes electric trains to waste energy?"?
A: no

Q: Does "In Scotland, the Office of the Scottish Charity Regulator serves the same function." provide a valid answer to "Is a trade union governed by the Office of the Scottish Charity Regulator?"?
A:
no