When someone is changing a radio channel, what is being changed? a. only the frequency of waves the radio is receiving b. only the wavelength of the waves the radio is receiving c. both the frequency and wavelength of the waves the radio is receiving d. the speed of the waves the radio is receiving

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

What was bohr’s contribution to the planetary model

1. true or false: minerals are inorganic. true false 2. inorganic means that something has never been found alive 3. halite is another name for and is a mineral with a cubic crystal pattern. table salt rock salt