Why wasn't this number 100%?: Article on inane UT poll: "70 percent of respondents said they think the climate is changing...the survey didn’t ask about the causes of climate change"

Record Heat Wave Pushes U.S. Belief in Climate Change to 70% - Businessweek

In a poll taken July 12-16, 70 percent of respondents said they think the climate is changing, compared with 65 percent in a similar poll in March...the survey didn’t ask about the causes of climate change