Ms. Lawson, a primary school teacher, told her students that a photograph of the president is in the public domain. What does she mean by this?

Which best describes the role or restriction enzymes in the analysis of edna a. to break dna into fragments that vary in size so they can be sorted and analyzed b. to amplify small amounts of dna and generate large amounts of dna for analysis c. to purify samples of dna obtained from the environment so they can be analyzed d. to sort different sizes of dna fragments into a banding pattern that can be analyzed

Can someone who is skilled at coding create me a java chess game. don't copy from online source codes. make it original ! : d

The study of how to design software, solve problems such as computer security threats, or come up with better ways of handling data storage