Phosphorus is obtained primarily from ores containing calcium phosphate. if a particular ore contains 66.1% calcium phosphate, what minimum mass of the ore must be processed to obtain 3.53 kg of phosphorus?

__ _ _ _ _ is the process of removing earth materials from their original sites through weathering and transport and depositing the in another location. a. erosion b. sedimentation c. lithification d. dissolution

Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?