Recent Questions
Answer: A. Plants fix carbon and release oxygen, and animals release carbon and use oxygen. The carbon cycle describes just how carbon is circulated in various forms through nature. As a constituent of all organic compounds, carbon is found and…
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Answer: B. More economic rights for citizens. One positive effect of trade agreements in the life of citizens is that it leads to an increase in the economic rights of the citizens. The North American Free Trade Agreement (NAFTA), a…
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Answer: C. Compare two unlike things. Both metaphor and simile are figures of speech used solely for comparison. Both of these figures of speech are often confused as a result of their similar use. While simile uses the words “like”…
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Answer: B. intercalted discs Intercalated discs are structural formations located just between the myocardial cells of the heart. They help in bonding cardiac muscle cells together and also for transmitting sensory signals between cells. These structures are required for a…
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C. The northern hemisphere is tilted toward the sun. The Earth orbits the sun at an angle. With this, the northern hemisphere is a little bit tilted towards the sun. This is the June solstice, also known as the summer…
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Answer: A. It was the home of the emperor and his family. The Forbidden City was given its name because it was the home of the emperor and his family. Between 1420 and 1644, the forbidden city served as the…
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The organ responsible for storing and compacting waste before elimination is the rectum. The rectum is the end point of the large intestine and it acts as a temporary storage for feces. All of the contents of the rectum are…
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Answer: D. He changes in important ways over the course of his journey. In Ancient Greek mythology, Odysseus, a protagonist of the epic "Odyssey", is a hero whose character stands out among others. In the story, Odysseus was portrayed as…
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Answer: D. The refrigerator car A refrigerator car is more like a mobile refrigerator built to transport perishable goods at cool temperatures through long distances. Just after the American civil war, a major railway centre was established in Chicago, Illinois.…
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Answer: B. They tried to gain as much territory in the Pacific as possible. The Japanese government attacked Pearl Harbor just after The United States cut off oil export to Japan at the beginning of the summer of 1941. 80%…
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Answer: C. He knows that they cannot move the boulder blocking the doorway. The Cyclops had blocked the entrance to his cave and this prevented Odysseus from killing him. Odysseus had drafted out a plan for the stone to be…
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Answer: A. To make them less expensive to build. Around 1840, tenements came into use and its original purpose was to accommodate as many immigrants as possible entering the United States at that time. In order to accommodate this large…
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Answer: C. He feels that independence can strengthen friendships. According to Emerson, humans need the company of others (society) and isolation (solitude) to live happy and healthy lives. While both are very important in creating a well coordinated society, neither…
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Answer: B. Inelastic when the price changes. Inelasticity of goods with change in price means such product is a necessity and therefore the demand for such product will remain unchanged irrespective of a change in price. Even if the price…
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Answer: C. Vacuoles are larger in plant cells than in animal cells. Vacuoles are organelles found in cells of plants and fungi. It is also found in some cells of bacteria, protists, and animals. In plant and fungal cells, vacuoles…
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Answer: B. conductivity and ductility Electrical wires as widely known are very good conductors of electricity but another important property considered when making these wires is ductility. Ductility refers to the ability of metals to have their shapes changed especially…
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Population density is the number of people living per square kilometer in an area. Population distribution on the other hand is the measure of just how much people are spread in a particular area. When referring to the way a…
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If 100 envelopes = 70 cents Then 250 = x cents 100x = 70 × 250 100x = 17500 x = 175 cents = 1.75 dollars
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Answer: B. Henry and Edward In Robert Louis Stevenson’s novella titled “Strange case of Dr. Jekyll and Mr. Hyde. In this story, Dr. Henry Jekyll is a respected and kind Doctor with evil urges inside of him. Jekyll tries to…
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Answer: A. The enzyme influences the speed of change from substrate to product. By lowering the activation energy of the reaction, enzymes help to speed up rate of reaction without affecting the chemical composition of that reaction. Without enzymes in…
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Answer: A. Air Chloro-Floro-Carbon (CFC) emission and smog are examples of air pollution because these pollutants are in gaseous forms and can only be spread that way. CFCs are produced as waste from cars and other industrial machines. Typically, all…
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All substances are made of extremely tiny particles called atoms.. The closeness of these particles in a substance and their level of interaction determines the physical state of such a substance. Solids are known to constitute atoms tightly packed in…
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Answer: C. Judaism. The origins of Judaism are explained in the Torah. The Jews believe that God revealed himself to Abraham, a Hebrew man, who is now known as the father of Judaism. Isaac, Abraham’s son, as well as Jacob,…
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Answer: B. Hydrogen bonds between the oxygen atom of one water molecule and a hydrogen atom of another water molecule Cohesion is the distinct ability of like molecules to attract. The cohesive property of water is the highest of all…
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Answer: D. all eukaryotic cells Cellular respiration and photosynthesis are two similar cellular processes and at the same time, very opposite. While photosynthesis works by utilizing carbon dioxide and water and converting it into glucose, cellular respiration works by breaking…
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Answer: A. The product would be less expensive to produce. When a manufacturer uses limited scarce resources during production, the product becomes less expensive to produce. Scarce resources have very limited availability when compared to desired use. When a manufacturer…
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Answer: C. power over the English monarchy Between 1688 and 1689 in England, King James II, a Catholic, was overthrown by parliament and replaced by his daughter Mary, a Protestant and her Dutch husband, William of Orange. This is widely…
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Answer: D. Too much calcium Too much calcium will lead to weakened muscle and low functionality of the kidney. While calcium is very important in bone strengthening and also for a healthy lifestyle, it becomes detrimental if taken in very…
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When cells are duplicated, there is transfer of DNA or genetic information from the parent cell to the daughter cells. So for this transfer to be made possible and to ensure equal transfer of this genetic information to the daughter…
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Answer: A. They’re still not finished with the project that was due yesterday. Homophones are words pronounced the same way but with different spellings and meanings. In the question, “there”, “their”, and “they’re” are common homophones but not all of…
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