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Question 1 of 10
What is Hydrogen's chemical symbol?
Question 2 of 10
Dolphins communicate primarily through what?
Question 3 of 10
Saber tooth tigers were part of which groups of animals?
Question 4 of 10
When are you most likely to spot a nocturnal animal?
Question 5 of 10
People with a dark skin are especially vulnerable to hypertension. What is this?
Question 6 of 10
Which rays of the sun can damage the skin?
Question 7 of 10
Which of these is an ape?
Question 8 of 10
Which animals travel in large groups called mobs, led by a large male called a boomer?
Question 9 of 10
What is a singularity?
Question 10 of 10
Which of these scientists does not have a chemical element named after them?