Q: Does "For this reason it has long been used to line parts of ships to protect against barnacles and mussels." provide a valid answer to "What has pure copper been replaced with in the building of ships?"?
A: no

Q: Does "An example is ferroelectric materials, where the change from a paraelectric to a ferroelectric state occurs at the Curie temperature and is related to a change from the high-symmetry paraelectric state to the lower symmetry ferroelectic state, accompanied by a so-called soft phonon mode, a vibrational lattice mode that goes to zero frequency at the transition." provide a valid answer to "What term describes the vibrational lattice mode that turns to 0 frequency at the change?"?
A: yes

Q: Does "The event was held in Canberra, Australian Capital Territory on April 24, and covered around 16 km of Canberra's central areas, from Reconciliation Place to Commonwealth Park." provide a valid answer to "What was the location of the beginning of the Olympic torch route in Australia?"?
A: yes

Q: Does "The rainy season runs from June to October when winds bring in tropical moisture from the sea." provide a valid answer to "When does the majority of the rain fall in Mexico City?"?
A:
yes