Does the sentence "The great majority of asphalt used commercially is obtained from petroleum." provide a valid answer to the question "How much heat is required for the natural production of asphalt?"

A: no

Does the sentence "He was told wheat had to be dehusked through a laborious process and at the age of 12, Bell built a homemade device that combined rotating paddles with sets of nail brushes, creating a simple dehusking machine that was put into operation and used steadily for a number of years." provide a valid answer to the question "Bell's dehusking machine combined what with nail brushes?"

A: yes

Does the sentence "This was mounted upright or sideways on the cab wall and operated via a projecting handle, which was able to slide around the top half of the cylinder." provide a valid answer to the question "Where was the rheostat mounted?"

A: yes

Does the sentence "On 23 June 1757, the English East India Company defeated Siraj-ud-Daula, the Nawab of Bengal, in the Battle of Plassey." provide a valid answer to the question "When did the English East India Company defeat Siraj-ud-Daula?"

A:
yes