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Coca-Cola has a pH of 3. How many times more acid is Coca-Cola than water, which has a pH of 7?

4.1 Explain how the facial expression and body language of the character on the left accurately convey his confusion. (2)

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Why can science not explain faith, and why faith cannot explain science. Describe how it is possible to have faith and accept the reality of biological evolution.

Which of the following is defined as the number of protons of the nucleus of the atom?

5.2 Refer to the following sentence in paragraph 1:  “If you tend to be more creative or artistic, you’re thought to be right-brained.” What type of sentence is this? Choose the correct answer. (1)

Which of the following is a fat that commonly solidifies at room temperature, and consists of fatty acid chains that only contain single bonds?

Which of the following is the bond created between a glycerol molecule and a fatty acid chain?

Isotopes are unstable forms of atoms whose nuclei spontaneously decay. Which of the following is true about the C13 and C14 isotopes of C12 (C12 has an atomic number 6, and an atomic mass 12, hence the “12” of C12)?