Which of the following will interfere with an absorbance measurement? 1. fingerprints on the outside of the cuvette 2. scratches on the cuvette 3. a clear colorless solution 4. air bubbles 5. the cuvette filled to the top 6. liquid on the outside of the cuvetteselect one: a. 1, 2, 6 b. 2, 3, 5, 6 c. 1, 4, 5, 6 d. 1, 2, 3, 4, 6 e. 1, 2, 4, 6

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation:

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

the formula mass of a molecule or a compound is the sum of the atomic weights of the atoms in its empirical formula

(that's what i know about formula mass)