What must occur for this ion to become a neutral oxygen atom? A. It must lose two electrons. B. It must gain two electrons. O C. It must lose two protons. OD. It must gain two protons.​

Ms.hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.

Which of the following is a direct benefit of the use of assembly lines in production a. laws against theft fraud and coercion are needed to protect free choice. b. the government needs to plan efficient outcomes. c. competition among producers by itself cannot ensure a wide range of consumer choices. d. works pressure the government to guarantee minimum wages