What keeps some of the radiation from the sun in the atmosphere? a.) ozone in the stratosphere b.) greenhouse gases c.) solar energy d.) geothermal energy

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

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.

Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?