Which change is exothermic?

Solid water turns to liquid water as energy is added.

Rain becomes sleet when the temperature falls below 0°C.

Icebergs shrink as global temperatures rise.

What is lincoln's purpose in writing this speech? question 1 options: to stress the difficulties of war to honor those who died in the war to call for an end to the war to call the country to join a new war

The diagram shows the relationship between scientific disciplines.the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a.physics b.biology c.chemistry d.metallurgy

The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes