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Science Multiple Choice #2 - Statistics
General Stats
- This quiz has been taken 36,638 times
- The average score is 11 of 16
Answer Stats
| Question | Answer | % Correct |
|---|---|---|
| What has been the primary cause of the increase in the temperature of the Earth's atmosphere in recent decades? | Emission of carbon dioxide from the burning of fossil fuels | 94%
|
| True or false. Every single human on Earth has the same number of chromosomes. | False | 84%
|
| About what percent of the Earth's atmosphere is made up of Oxygen? | 21% | 82%
|
| What causes the sound of approaching objects to be at a higher pitch than receding objects? | Doppler effect | 82%
|
| Is it possible to see Saturn from Earth with the naked eye? | Yes | 77%
|
| What is the coldest possible temperature? | −273.15 °C | 75%
|
| About what percentage of an atom's mass is in its nucleus? | > 99.9% | 74%
|
| Which of these animals is most closely related to homo sapiens? | Humpback whale | 73%
|
| What is the approximate diameter of the universe? | We don't know, possibly infinite | 71%
|
| When did the non-avian dinosaurs go extinct? | 66 million years ago | 69%
|
| Can a virus alter your DNA? | Yes | 68%
|
| What is a telomere? | A region of repetitive DNA which protects the end of a chromosome | 65%
|
| Which of these planets is the largest? | Earth | 62%
|
| What is the name of the current geological epoch, which began about 11,650 years ago? | Holocene | 57%
|
| About how much has the level of the sea risen since 1900? | 0.2 meters | 52%
|
| Is a tree-kangaroo a real animal? | Yes | 51%
|
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