Are You A Super-smart Braniac?

Water is made up of two elements, oxygen and hydrogen. Oxygen makes up about 88.8% of the water molecule, while hydrogen makes up the remaining 11.2%. This is why the correct answer is hydrogen.

The statement "Your heart contains two atriums" is true. The heart is divided into four chambers: two atria and two ventricles. The atria are the upper chambers of the heart, responsible for receiving blood from the body and lungs. They then pump the blood into the ventricles, which are the lower chambers of the heart. Therefore, the heart does indeed contain two atriums.

The given sentence "She is as slow as a snail" compares the slowness of the person to the slowness of a snail using the word "as." This indicates that it is a simile, as similes use "like" or "as" to make a comparison between two different things. In this case, the comparison is made between the person and a snail to emphasize their slowness.

John Adams was the second president of the United States. He served as president from 1797 to 1801, following George Washington. Adams was a founding father and played a significant role in the early years of the United States. He was a key advocate for American independence and helped draft the Declaration of Independence. Adams also played a crucial role in negotiating the Treaty of Paris, which ended the American Revolutionary War. His presidency was marked by challenges such as the Quasi-War with France and the passage of the Alien and Sedition Acts.

The cube root of a number is the value that, when multiplied by itself three times, gives the original number. In this case, the cube root of 27 is 3 because 3 multiplied by itself three times equals 27.

Folk tales are traditional stories passed down through generations that often contain a moral lesson or message. These tales are usually rooted in the culture and beliefs of a particular society and are used to teach values, ethics, and life lessons. Therefore, it can be concluded that a folk tale always has a moral.

Under is an example of a preposition because it is used to show the relationship between two objects or ideas in terms of position or location. It indicates that one thing is beneath or below another. Prepositions are words that typically come before a noun or pronoun to provide additional information about the relationship between that noun or pronoun and other words in a sentence. In this case, "under" is showing the position of one object in relation to another.

Benedict Arnold is widely regarded as a traitor because he betrayed the American Continental Army during the Revolutionary War by attempting to surrender the fort at West Point to the British. His actions were seen as a betrayal of the American cause and a violation of his oath of allegiance. Despite his earlier contributions to the American cause, his decision to switch sides and aid the British earned him the label of a traitor in American history.

Each angle on an equilateral triangle measures 60 degrees. An equilateral triangle is a triangle with three equal sides and three equal angles. Since the sum of the angles in any triangle is always 180 degrees, and an equilateral triangle has three equal angles, each angle must measure 60 degrees.

Pierre is the correct answer because it is the capital of South Dakota. Bismark is the capital of North Dakota, Detroit is a city in Michigan, and Helena is the capital of Montana. Therefore, Pierre is the only option that correctly matches the capital with the state.