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6. The “monster” that Arthur fights in Culhwch and Olwen, and its thematic significance.

question 3 

The energy stored in the chemical bonds of a carbohydrate molecule is

Round off a measurement of 5338L to three significant digits.

Which of the following is a pure, elemental substance?

The label on a can of sparkling mineral water lists the following ingredients: carbonated water and natural lime flavor.  Which one of the following best classifies the beverage?

The formation of a gas resulting from the escape of high-energy particles from the surface of a liquid is known as 

A serving of fish contains 50.g of protein and 4.0 g of fat. If protein has a caloric value of 4.0 kcal/g and fat has 9.0 kcal/g, how many kcal are in the serving? Report the answer to 2 significant figures. (The accepted caloric values for foods are 4.0 kcal/g for carbohydrate, 9.0 kcal/g for fat, and 4.0 kcal/g for protein.

Round off a measurement of 5m to three significant digits.

Write 3.6 × 10-5 as a decimal number.