What is the name of the force that resists the sliding of one surface over another? Answer with the one-word name only, in lowercase.
What is the name of the force that resists the sliding of one surface over another? Answer with the one-word name only, in lowercase.
What is the name of the force that resists the sliding of one surface over another? Answer with the one-word name only, in lowercase.
In what year was the Nobel Prize in Physics awarded for the invention of efficient blue LEDs? Answer with the four-digit year only.
In what year was the Nobel Prize in Physics awarded for the invention of efficient blue LEDs? Answer with the four-digit year only.
In what year was the Nobel Prize in Physics awarded for the invention of efficient blue LEDs? Answer with the four-digit year only.
What is the capital of the US state of Pennsylvania? Answer with the city name only.
What is the capital of the US state of Pennsylvania? Answer with the city name only.
In what year was Space Shuttle Columbia lost during re-entry? Answer with the four-digit year only.
In what year was Space Shuttle Columbia lost during re-entry? Answer with the four-digit year only.
In what year was Space Shuttle Columbia lost during re-entry? Answer with the four-digit year only.
In what year was Space Shuttle Columbia lost during re-entry? Answer with the four-digit year only.
Which sea lies between Italy and the Balkan Peninsula? Answer with the sea name only, without the word Sea.
Which sea lies between Italy and the Balkan Peninsula? Answer with the sea name only, without the word Sea.
How many emirates make up the United Arab Emirates? Answer with the whole number only.
How many emirates make up the United Arab Emirates? Answer with the whole number only.
How many emirates make up the United Arab Emirates? Answer with the whole number only.
How many emirates make up the United Arab Emirates? Answer with the whole number only.
How many emirates make up the United Arab Emirates? Answer with the whole number only.
In what year was the Three Mile Island nuclear accident? Answer with the four-digit year only.
In what year was the Three Mile Island nuclear accident? Answer with the four-digit year only.
In what year did Wilhelm Roentgen discover X-rays? Answer with the four-digit year only.