Which form of power sharing is otherwise known as the system of checks and balances

Horizontal power sharing

Explanation:

Horizontal power sharing is commonly known as check and balance. In fact, the power is derived equally and thus optimize with executive legislature and judiciary. Moreover, they work independently and have equal rights to check each power. It is known as system of check and balance by taking among organs of government

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.

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