[Answer] 4. Let's start with something easy. When we are talking to someone online, and have to step out for coffee, for a bathroom break, or if we are simply tired of typing, what can we say to let them know?

Step 1 : Introduction to the question "4. Let's start with something easy. When we are talking to someone online, and have to step out for coffee, for a bathroom break, or if we are simply tired of typing, what can we say to let them know?"

...1. SOS 2. WRT 3. COW 4. BRB "BRB" stands for "Be Right Back," and can also stand for "Bath Room Break". "BRB" is also the ISO International Organization for Standardization Country Code for Barbados, located in the Caribbean Sea. "SOS" can stand for "Save our Ship", "Secretary of State", or "Survivors of Suicide". "COW" stands for the food "Cream of Wheat", and "WRT" stands for "with respect to". *Note: "BRB" can also be considered an initialism, since the letters are pronounced individually rather than as a word.

[Answer] 9. This man took 'one small step' on the Moon. Who was he?

Step 1 : Introduction to the question "9. This man took 'one small step' on the Moon. Who was he?"

...1. Neil Armstrong 2. Deke Slayton 3. Gus Grissom 4. John Glenn As a young man, Neil got his pilot's certificate before he got his driver's license.

[Answer] A visit to Paqueta Island--an island in Guanabara Bay, Rio de Janeiro--is a step back in time. Why?

Step 1 : Introduction to the question " A visit to Paqueta Island--an island in Guanabara Bay, Rio de Janeiro--is a step back in time. Why? "

...1. Disagreements are settled by duel. 2. Automobiles are banned. 3. All businesses close at 5 pm. 4. There is no internet.

[Answer] 2. Neil Armstrong may have taken "one small step" when he became the first person to walk on the moon, but who was the first person to walk in space?

Step 1 : Introduction to the question "2. Neil Armstrong may have taken "one small step" when he became the first person to walk on the moon, but who was the first person to walk in space?"

...1. Muhammed Farris 2. Yang Liwei 3. Alexei Leonov 4. Dr. Zachary Smith Soviet cosmonaut Alexei Leonov became the first person to walk in space on March 18, 1965, when he conducted a twelve-minute space walk during a Voskhod 2 mission. He was also selected to be the first Russian to walk on the moon, but the moon landing was cancelled. Edward Higgins White, Jr. was the first American to walk in space, when he made a spacewalk three months later on June 3, 1965. The first non-Soviet and non-American to walk in space was Frenchman Jean-Loup Chretien in 1988.

[Answer] How many muscles does a human use when taking one step forward?

Step 1 : Introduction to the question "How many muscles does a human use when taking one step forward?"

...Muscles make up more than 40 percent of a body's total weight. There are three types of muscle: skeletal, smooth and cardiac. Skeletal muscles are the ones we control and we use to carry out conscious functions. When we take a step forward, we are actually using 200 muscles. The muscles in our muscular systems enable us to carry out our daily functions, maintain our posture and circulate our blood. Source: Reference.com

[Answer] beginning within the nucleus, the first step leading to the synthesis of a polypeptide is _____.

Step 1 : Introduction to the question "beginning within the nucleus, the first step leading to the synthesis of a polypeptide is _____."

...A polypeptide is a long, continuous, and unbranched peptide chain. Hence, peptides fall under the broad chemical classes of biological oligomers and polymers, alongside nucleic acids, oligosaccharides and polysaccharides, etc.

[Ans] Who made the famous statement "One small step for man, one giant step for mankind"?

Step 1 : Introduction to the question "Who made the famous statement "One small step for man, one giant step for mankind"?"

On this day in 1969, astronaut Neil Armstrong, 240,000 miles from Earth, spoke these words to more than a billion people listening at home: “That’s one small step for man, one giant leap for mankind.” At 10:56 p.m., Armstrong spoke his famous quote, which he later contended was slightly garbled by his microphone and meant to be “that’s one small step for a man, one giant leap for mankind.” Stepping off the lunar landing module Eagle, Armstrong planted his left foot on the gray, powdery surface of the moon and took a cautious step forward. He had just become the first human to walk on the moon.

[Answer] Who made the famous statement "One small step for man, one giant step for mankind"?

Step 1 : Introduction to the question "Who made the famous statement "One small step for man, one giant step for mankind"?"

...On this day in 1969, astronaut Neil Armstrong, 240,000 miles from Earth, spoke these words to more than a billion people listening at home: “That’s one small step for man, one giant leap for mankind.” At 10:56 p.m., Armstrong spoke his famous quote, which he later contended was slightly garbled by his microphone and meant to be “that’s one small step for a man, one giant leap for mankind.” Stepping off the lunar landing module Eagle, Armstrong planted his left foot on the gray, powdery surface of the moon and took a cautious step forward. He had just become the first human to walk on the moon.