20. What is the percent error in a measurement of the boiling point of naphthalene (C10H8) as 231.0°C, given that the literature reports the value as 217.9°C? Express answer to one decimal place.

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Can someone me with 3 and 4 plz. this is for masteries test.