A pair of students in a coastal city in Italy are conducting an investigation in order to observe changes in thermal energy as they relate to states of matter. The students place an inflated balloon in a -4° Celsius freezer as part of their experimental procedure. Another pair of students in a coastal city in the United States conduct a very similar experiment, but use larger-sized balloons and a freezer that is set at 0° Fahrenheit. How are the results of the two investigations likely to compare?

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.

they vary. it used to be meat, grain, bread, candy, beverages, donuts, and fruits/vegetables. now they added exercise in.

the population of unionid mussels in the hudson river decreased after zebra mussels were introduced. zebra mussels, a nonnative species, competed with the unionid mussels for food. the zebra mussels were able to outcompete the unionid mussels, allowing the zebra mussel population to increase dramatically over six years. the unionid mussel population decreased due to a lack of food.

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