Which technology allows weather forecasters to view the entire Western Hemisphere from above, so that potential hurricanes can be spotted as they form?

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; an active listener;

answer; pentagon papers, vietnam draft-resistor, james dean, american revolution;