Why does iron have two kinds of valence number?​

Read the presentation assignment. the intended audience for this presentation is a group of research four in-state colleges. learn about each school including its location and population. then gather information about the courses of study offered at each school. you should also collect other interesting facts, such as school colors, mascots, and athletic offerings. you will present a speech to your classmates that explains your findings, and we will save the results. this information will be of great value in the next few years. college professors. college students high school teachers. high school students.

One of the author’s purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted . . in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with . . enormous speed

Which is the best strategy for responding to counter argument in persuasive research essay