In Terms of Organizational Boundaries and Environments, Which Is Correct

In terms of organizational boundaries and environments, which is correct?
Large business firms are heavily influenced by events in the external environment, but small business firms are much less influenced.
No single firm can control the environment.
Most organizations have a single environment, but some have multiple environments they must cope with.
The major elements of the external environment are marketing, finance, production, and human resources.
The most important features of the external environment are the political and social aspects.