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Soil colloids (clay particles) have ________ charges on their surfaces which attract ________ from the soil solution.
Q18: Which of the following regions has the
Q28: California is not allowed to take water
Q54: Temperatures in deserts are usually _ at
Q70: Which of the following is a depositional
Q87: A valley glacier is a form of
Q91: Exotic species are<br>A)non-native plants and animals.<br>B)plants that
Q101: Large areas of frozen ground can develop
Q111: Coniferous trees dominate the needleleaf forest biome.
Q119: Brine results from<br>A)the influx of river water
Q121: Which of the following is true of