A right angle measures exactly this many degrees.
90
The order of planets from the Sun puts this one right after Earth.
Mars
The genetic code is carried in this molecule, using bases A, T, C, and G.
DNA
In biology, a grass → rabbit → fox sequence is an example of this kind of chain.
Food chain
2 to the power of 8
256
In grammar, “positive,” “comparative,” and “superlative” are the three degrees of this part of speech.
Adjective
Alphabetically, this U.S. state comes last in order.
Wyoming
This short-and-long signal system is one of the oldest telecommunication codes.
Morse Code
An American electronic DJ and production duo consisting of Alex Pall and Drew Taggart
The Chainsmokers
In physics, power is the rate of doing this.
Work
A bachelor’s degree usually requires about this many credits.
120
The Alphabetical Order of the first three Greek letters is Alpha, Beta, and this.
Gamma
“403 Forbidden” and “404 Not Found” are examples of these codes on the web.
HTTP status codes
“Chain reaction” is the term often used to describe the self-sustaining process in these powerful weapons.
Nuclear bombs
Raising a number to the one-half power is the same as taking this.
A square root (of that number)
Water boils at 373 degrees on this absolute scale.
Kelvin
The 2008 film “Chaos Theory” plays on this mathematical concept where small changes upset order.
Butterfly effect
In The Da Vinci Code, this Harvard symbologist is the main character.
Robert Langdon
The idiom “yanking someone’s chain” means doing this.
Teasing, annoying, or tricking them
A “superpower” country is one with dominant influence; after WWII, the two main ones were the U.S. and this.
The Soviet Union
Trigonometry says the sine of 30 degrees equals this simple fraction.
1/2
The Order of Canada is represented by a stylized this.
Snowflake
This classic arcade game asked you to “Up, Up, Down, Down, Left, Right, Left, Right, B, A” for extra lives.
Konami Code
This is an organic molecule consisting of a sequence of carbon atoms bonded to each other and to hydrogen atoms, with no other elements present.
Hydrocarbon chain
This X-Man’s mutant power is controlling weather.
Storm