Science Challenge #13

Question 1. In which of the following substances is Nitrogen present?
Air, boiled water, protein, sugar.
ANSWER

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Question 2. What is an enzyme?
a) A component of human blood that fights infection
b) A catalyst that activates chemical change.
c) A tiny inclusion in the protoplasm of every animal cell.
ANSWER

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Question 3. There is still in existence today one type of tree that grew in the time of the dinosaurs.
What tree is it?
ANSWER

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"THE STUMPER!"
a) What is a “Hallux” ?
b) What is a “Pollex”?
ANSWER