The answer is C cardiopulmonary resuscitation.
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Answer:
The correct option is D: Sharkskin produces many chemicals that can be collected and used to create antibiotics.
Explanation:
Sharkskin can resist bacteria and other types of germs due to the microscopic pattern of ridges it has on its surface. This is especially useful in case of bacteria that have developed an antibiotic resistance. There are biotechnology companies that are developing a product with a texture like that of a sharkskin, so as to have the same properties of microbial resistance.
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Answer is b. Burning fossil fuels causes a decrease in the pH of ocean water making it more acidic.
Burning of fossil fuels release carbon dioxide and other harmful gases in the atmosphere. Carbon dioxide gets dissolves in the ocean to form carbonic acid. Due to formation carbonic acid, the pH of ocean water changes slightly. The average pH of ocean water was 8.2 slightly basic. Now it 8.1, it means there is 25 % increase in acidity of ocean water.
Glucose has a chemical formula of: {C6 H12 O6} That means glucose is made of 6 carbon atoms, 12 hydrogen atoms and 6 oxygen atoms