The correct sentence is the second one "She built a high-performance CPU".
The first sentence should not contain a comma and is incorrect. The third sentence is incorrect because there shouldn't be a dash before CPU. The fourth sentence is incorrect because CPU is not written with dashes.
A prepositional phrase is a group of words that lacks either a verb or a subject, and that functions as a unified part of speech. It normally consists of a preposition and a noun or a preposition and a pronoun.
The discipline of international relations there are contending general theories or theoretical perspectives. Realism, also known as political realism, is a view of international politics that stresses its competitive and conflictual side. It is usually contrasted with idealism or liberalism, which tends to emphasize cooperation. Realists consider the principal actors in the international arena to be states, which are concerned with their own security, act in pursuit of their own national interests, and struggle for power. The negative side of the realists’ emphasis on power and self-interest is often their skepticism regarding the relevance of ethical norms to relations among states. National politics is the realm of authority and law, whereas international politics, they sometimes claim, is a sphere without justice, characterized by active or potential conflict among states.
The aspect of this poem that most clearly marks it as a work of Modernism is D. It avoids using rhythm or rhyme. In poetry, this writing style is called 'free verse' and it is characterized as an open form of poetry, reading which you will never see a meter patterns or rhyme. Such form was favoured with poets of Modernism; they usually follow the rhythm of natural speech just as if you reading simple letter or something like this.
Answer:
El cobre (_yes_) es un elemento de la tabla periódica.
Copper (_ye_) is an element on the periodic table
Explanation: