For communication to take place, there has to be
a. transmission of the
message.
b. medium.
c. sharing of meaning.
d. absence of noise.

Write the correct abbreviation for each metric unit

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

Ways that industry and agriculture use physical properties to separate substances