An easement that is not created by express statements between the parties; but as a result of surrounding circumstances that dictate that an easement must have been intended by the parties is known as what...?

- Easement by Implication.

Explanation:

As per the given description, 'easement by implication' is categorized as the easement that is not composed through express statements among the parties' but rather understood as an 'implied' statement by the consequence or situation of surrounding circumstances which commands/implies that an easement must have been desired by the parties. These kinds of easements are used for land parcels. Therefore, 'easement by implication' is the correct answer.

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.