How is the central idea developed in these two paragraphs?

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

Select all the correct answers. which three statements about electromagnetic radiation are true?

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.