isotherm

"All he had to show for four years of attendance at college was a framed piece of paper."

""The teacher marked specific points on the map where we needed to label the cities." "

"The graph showed how the number of hours studied per week correlated with students' test scores. "

"The dry-stone wall used a large, flat through to support the top stones. "

"John played the piano and everyone sang along."

"The arrow descended in a curved line."

"The weather forecast for today predicts rain and strong winds, so I should bring an umbrella to school. "

"The children were running to catch the school bus. "

"By now, you must surely know which is which."

"The teacher showed us a chart of the solar system on the wall. "

"The guard blew his whistle to indicate imminent departure."

"The temperature in the room dropped nearly 20 degrees; it went from hot to cold."