Two different liquids are mixed together. Which observation indicates that an exothermic chemical reaction has taken place? an increase in volume
a decrease in volume
a rise in temperature
a drop in temperature

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Where is the illustration?

For lesson: cameras, plant presses, newspaper, paper towels, clip boards, pencils, calculators, field guides, metric measuring tapes, paper, transect squares, colored pencils, ph meters, light meters, computers, etc.for extension: baggies for soil samples collecting, distilled water, hand shovels, beakers, boiled rice, microscopes, well microscope slides or regular microscope slides with cover slips

The nationalists army held a higher advantage because of the ammount of men in the army. outnumbered them up to 3 over 1.