predicting correctly that two factors previously thought unrelated to lightning would eventually be shown to contribute jointly to the strength and location of lightning bolts
20. Which of the following, if true, would most seriously undermine the precipitation hypothesis, as it is set forth in the passage?
Larger clouds are more likely than smaller clouds to be characterized by complete separation of positive and negative charges.
In smaller clouds lightning more often occurs within the cloud than between the cloud and the earth.
Large raindrops move more rapidly in small clouds than they do in large clouds.
Clouds that are smaller than average in size rarely, if ever, produce lightning bolts.
In clouds of all sizes negative charges concentrate in the center of the clouds when the clouds become electrically charged.
Before Laura Gilpin , few women in the history of photography had so devoted themselves to chronicling the landscape. Other women had photographed the land, but none can be regarded as a landscape photographer with a sustained body of work documenting the physical terrain. Anne Brigman often photographed woodlands and coastal areas, but they were generally settings for her artfully placed subjects. Dorothea Langes landscapes were always conceived of as counterparts to her portraits of rural women.
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