Q: Does "This compares to around 12,000 species of moss or 11,000 species of pteridophytes, showing that the flowering plants are much more diverse." provide a valid answer to "How many species of moss is there?"?
A: yes

Q: Does "This era was also affected by the rise of the nation-state." provide a valid answer to "The control of universities by the state can be attributed to the advancement in the development of what?"?
A: yes

Q: Does "Avoiding these difficulties, commercial antennas are generally designed with fixed matching elements or feeding strategies to get an approximate match to standard coax, such as 50 or 75 Ohms." provide a valid answer to "A general matching network needs a minimum of how many adjustments to correct all components of impedance?"?
A: no

Q: Does ", Cricket Communications and Novatel Wireless." provide a valid answer to "What cellular company is headquartered in San Diego that uses the AT&T network?"?
A:
yes