Does the sentence "However, development of solar technologies stagnated in the early 20th century in the face of the increasing availability, economy, and utility of coal and petroleum." provide a valid answer to the question "Why was solar technology developed in the 1860s?"

A: no

Does the sentence "In February 1848, with the cellist Auguste Franchomme, he gave his last Paris concert, which included three movements of the Cello Sonata Op." provide a valid answer to the question "In what month and year did Chopin give his final performance?"

A: yes

Does the sentence "Panthalassa covered most of the southern hemisphere, and minor oceans included the Proto-Tethys Ocean, Iapetus Ocean and Khanty Ocean." provide a valid answer to the question "What continent ranged over the majority of the southern hemisphere of earth in the Cambrian?"

A: yes

Does the sentence "Her funeral was held on Saturday, 2 February, in St George's Chapel, Windsor Castle, and after two days of lying-in-state, she was interred beside Prince Albert in Frogmore Mausoleum at Windsor Great Park." provide a valid answer to the question "What year did Queen Victoria die?"

A:
no