Which of the following is an example of a fusion reaction?
a. the sun and stars
b. nuclear power plants
c. nuclear submarines
d. Hiroshima bomb

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist

Which change to the system wood cause the freely-moving piston to lower?

4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.