Which sentence does NOT contain an error in pronoun-antecedent agreement? A. A large herd of buffalo thundered across the plain and left a cloud of dust in their wake. B. Our gymnastics team proved their skills during the individual floor exercises. C. When the crowd reached the center of town, the mayor was surprised by their size.

Afoot bridge is made as a simple deck, 4 m long, with a cross section 2 m (wide) and 20 cm thick, and made of wood. the deck is supported at the two ends. the maximum load allowable on the bridge is 10 tons, provided it is uniformly distributed on the deck. to sense this load, a strain gauge is placed at the center of the bridge and its resistance is monitored. if the sensor has a nominal resistance of 350 s2 and a gauge factor of 3.6, what is the reading of the strain gauge at maximum load? the modulus of elasticity for the wood used in the construction is 10 gpa.