8. All agencies with jurisdictional authority and/or functional responsibility for the incident provide joint support through mutually developed incident objectives and strategies. This is an example of: A. Rigid/Fixed Operational Capabilities B. Area Command C. A response handled at the highest possible level D. Unified Command

i have to go with a for this one

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.

no because it could make the world a terrible place to live in.

fertile good for trade etc