Q: Does "The Laurentide Ice Sheet covered most of North America, blocking nomadic inhabitants and confining them to Alaska (East Beringia) for thousands of years." provide a valid answer to "What allowed people to move across Beringia to North America?"?
A: no

Q: Does "In various contexts, the deliberate infliction of pain in the form of corporal punishment is used as retribution for an offence, or for the purpose of disciplining or reforming a wrongdoer, or to deter attitudes or behaviour deemed unacceptable." provide a valid answer to "Corporal punishment is a form of what type of pain?"?
A: yes

Q: Does "The willow was harvested using a traditional method of pollarding, where a tree would be cut back to the main stem." provide a valid answer to "What did plastic bags result in"?
A: no

Q: Does "On April 5, 2006, Apple announced the availability of the public beta of Boot Camp, software that allows owners of Intel-based Macs to install Windows XP on their machines; later versions added support for Windows Vista and Windows 7." provide a valid answer to "How did hackers release their software for running Windows on Macs?"?
A:
no