In order to track the movement of Earth’s tectonic plates over time, scientists use which of the following tools? A) estimating
B) rulers
C) digitized signals from GPS

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

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5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.