Ann drove to the store 10 km north of her house and then drove to the library, which is 5 km south of the store. She drove a total distance of 15 km. What was Ann's displacement? O A. 15 km south OB. 5 km north C. 5 km south D. 15 km north SUBMIT

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.