Which sentence is punctuated correctly?
a. i am certain you will enjoy. this class the teacher is excellent.
b. i am certain you will enjoy this: class the teacher is excellent.
c. i am certain, you will enjoy this class the teacher is excelle?

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

What questions should readers ask about the exposition of a story?

Read this paragraph from a cause-and-effect essay. upwelling and el niño in normal years, the trade winds cause colder, nutrient-rich waters to rise to the ocean surface. this process is called “upwelling,” and it causes small fish called plankton to multiply. which rubric term or phrase would apply to the phrase “trade winds”? a. effect b. elaboration of a cause or effect c. transition between a cause and an effect d. cause