The answer is D. Telegraph, telephone, cordless phone , mobile
I believe it would be 'D' because reprimand means to rebuke something.
Answer:
Consider substances that can easily diffuse through the lipid bilayer of the cell membrane, such as the gases oxygen (O2) and CO2. O2 generally diffuses into cells because it is more concentrated outside of them, and CO2 typically diffuses out of cells because it is more concentrated inside of them.
Answer:
an experiment
Explanation: Any experiment you do to benefit the world in the name of science