Which one of the following forms of waves is not an example of a frequency of the electromagnetic field? select one: a. sound waves b. visible light waves c. television waves d. radio waves

Ineed to know why d is the correct answer asap

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons