Why does the water cycle happen fast in some places and slowly in other places ?

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

Calculate the number of moles of ethane in 100 grams

Which description best characterizes the motion of particles in a solid?