Subduction occurs at which of the following tectonic plate boundaries? a. oceanic crust–oceanic crust b. oceanic crust–continental crust c. continental crust–continental crust d. volcanic crust–oceanic crust

A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?

What’s #16 asking me and how do i solve it?

What happens during the fall in september