An astronomical unit is the average distance from earth to the sun. which planet in our solar system is approximately 9.5 astronomical units from the sun?

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

answer; you can turn right on a red signal (when posted);

conformal maps greatly distort _sizes_ of continents in higher latitudes.

the answer is sizes.