Gold is a widely known metal, often used for making jewelry. Pure gold is called 24-carat gold, but there is also 14-carat gold. Because gold is a soft metal, it is sometimes combined with another metal to harden it, such as copper. Fourteen-carat gold is named as such because 14 out of the 24 carats, approximately 60%, is gold and the remaining 10 carats, or 40%, is some other metal. Which of the following is the purpose of the passage above?

A. To analyze

B. To inform

C. To compare

D. To recommend

Answer Explanation:

The purpose of the passage is to inform the reader about gold, its purity levels (24-carat and 14-carat), and how it is combined with other metals to create jewelry.

Therefore, the Correct Answer is B.

Q #1: "The Santa Barbara Journal": Exciting news today from Vandenberg Space Force Base as it has ended its Delta IV Heavy rocket program to make way for the new Atlas V program. Riddled with difficulties, Delta IV Heavy saw only moderate success throughout its 21-year history. Developed on the heels of the last tragic Space Shuttle flight, expectations for the Delta IV Heavy have far exceeded their reality. Future hopes now lie with the Atlas V program developed by Lockheed Martin. A social media post: @ggh723 The space program is an outdated use of taxpayer funds. We have enough problems on Earth to worry about what's happening in the universe. Which of the following themes do the two above passages share?

A. Space travel inspires the populace to look beyond our planet.

B. Economics play an important role in society.

C. Technical innovation can sometimes lead to tragedies.

D. The space program evokes a variety of reactions.

Answer Explanation

The two passages share the theme that the space program evokes a variety of reactions. In the first passage, there is excitement about the new Atlas V program and disappointment over the challenges faced by the Delta IV Heavy program. In the second passage, there is criticism of the space program as an outdated use of taxpayer funds. Both passages reflect differing reactions and perspectives related to the space program.
Q #2: A student is looking for information about the periodic table in a chemistry textbook. Which of the following textbook features should the student use to find the pages where this topic is discussed?

A. Index

B. Glossary

C. Appendix

D. References

Answer Explanation

The student should use the index to find information about the periodic table in a chemistry textbook. The index lists keywords, topics, and page numbers where those topics are discussed in the textbook, making it a helpful tool for quickly locating specific information.
Q #3: What is all this talk of cicadas lately in the United States? You might be wondering why the media has featured it, but in fact, the discussion about cicadas has emerged about as predictably as the cicadas themselves from their underground refuge. Let's get oriented with some background on cicadas. What is a cicada? A typical definition will at least tell you that the cicada is a large, loud insect with long transparent wings, mostly found in warm countries. A more detailed response might also inform you that cicadas have short antennae and wide-set eyes that jut out, with delicate, translucent wings - and that not only is the cicada loud, but few creatures make a louder sound. In fact, it is male cicadas that are the noisy ones, to the tune of 80 to 100 decibels, which is like the roar of a loud engine. This is because male cicadas make a strident, high buzzing by vibrating two membranes on their abdomen called tymbals, effectively turning its body into a kind of echo chamber or drum. Female cicadas cannot replicate the buzzing, though they respond with a clicking sound when they are ready to mate. Although there are several species of cicada, mating typically takes place in trees whereafter the female deposits the eggs into the bark. When the eggs hatch, the larval cicadas, called nymphs, drop to the ground and burrow. They then live as nymphs for most of their lives over 6 feet underground, with both male and female cicadas dying within weeks of their emergence from the soil. This is particularly true for North American cicadas, especially the Magiccodo, or periodical cicadas, which regularly... Which of the following statements from the passage offers evidence that female cicadas do not have tymbals attached to their abdomen?

A. "Female cicadas cannot replicate the buzzing..."

B. "...the male cicada makes a strident, high buzzing by vibrating two membranes on its abdomen called tymbals..."

C. "...the cicada is a large, loud insect

D. "...the female deposits the eggs into the bark."

Answer Explanation

The statement "Female cicadas cannot replicate the buzzing..." offers evidence that female cicadas do not have tymbals attached to their abdomen, as the tymbals are responsible for producing the buzzing sound made by male cicadas.

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Q #2: A student is looking for information about the periodic table in a chemistry textbook. Which of the following textbook features should the student use to find the pages where this topic is discussed?

Answer Explanation

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