Question

1:Humans and chimpanzees share roughly how much DNA?

2:What is the most abundant gas in the Earth's atmosphere?

3:Roughly how long does it take for the sun's light to reach Earth - 8 minutes, 8 hours or 8 days?

4:Which famous British physicist wrote A Brief History of Time?

5:At what temperature are Celsius and Fahrenheit equal?

6:What modern-day country was Marie Curie born in?

7:What is the biggest planet in our solar system?

8:What name is given for the number of protons found in the nucleus of an atom?

9:How many vertebrae does the average human possess?

10:What was the name of the first man-made satellite launched by the Soviet Union in 1957?

11:Which oath of ethics taken by doctors is named after an Ancient Greek physician?

12:What is a material that will not carry an electrical charge called?

13:Which Apollo moon mission was the first to carry a lunar rover?

14:How many teeth does an adult human have?

15:What is the study of mushrooms called?

16:On the periodic table, what symbol stands for silver?

17:Which two planets lack moons?

18:How many hearts do octopuses have?

19:In electronics, what does DC stand for?

20:What was the name of the first supersonic passenger airliner?

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Answer 1

Answer:

Q2. nitrogen

Explanation:

I think nitrogen is wright for your second question