Which statement best describes why the bridge buckles when there isn't a joint ? a. Temperature causes expansion and contraction of the roadway, which is limited without a joint

b. The metal in the joint is not affected by temperature, so without it bridges buckle

c. The material of the roadway doesn't expand under temperature

d. Joints increase the strength of the roadway to prevent the weight of cars and trucks from causing the bridge to buckle

The horse latitudes-high-pressure zones about 30 degrees north and 30 degrees south of the equator.-warm air traveling away from the equator cools and sinks-weather tends to be clear and drythe doldrums-low-pressure near equator-air rises and spreads out toward the poles-rising moist air produces clouds and heavy rainthe westerlies-blow from the west-move from the horse latitudes toward the poles.-bring storms across much of the united statesthe tradewinds-blow from the east-move from the horse latitudes toward the equator  -strong, steady winds