Problem: Does "Higher molecular weight gasses have lower thermal conductivity, because both the molecular weight is higher and also the cross sectional area is higher." answer the question "What affects the thermal conductivity of a gas?"

A: no

Problem: Does "This is opposed to the earth's current flora, in which the dominant land plants in terms of number of species are angiosperms." answer the question "What was the dominant plant species of the Mesozoic?"

A: no

Problem: Does "The Confederates, led by General James Longstreet, did attack General Burnside's Fort Sanders at Knoxville and lost." answer the question "Which Confederate general failed to capture the Union fort at Knoxville?"

A:
yes