In the Toulmin Model of Argument, backing refers to exceptions to an argument that may invalidate the claim

Minifred is giving a speech on cyber-security. She tells her audience "Now, let's look at the three principles behind creating a secure password." Minifred is employing which technique?

A. supplementary aids B. forecasting C. relapsing D. internal summary

The first practical use of radio was in 1913 The first practical use of radio was in 1913