On a hot summer day, marcello purchases balloons for his mother’s birthday. he leaves the balloons in his car while he goes into the grocery store. when he returns to his car, marcello is surprised to discover that the balloons have burst. why did the balloons burst? the temperature of the gas inside the balloons decreased, causing the volume of the balloons to decrease. the temperature of the gas inside the balloons decreased, causing the volume of the balloons to increase. the temperature of the gas inside the balloons increased, causing the volume of the balloons to decrease. the temperature of the gas inside the balloons increased, causing the volume of the balloons to increase.