Answer: (1) Non-profit organizations
(2) Government Agencies
Explanation:
According to the question, The non-profit organization and the government agencies are the two main types of organization that basically helps in providing the free available information or data to the David fr the purpose of completing his research.
Non- profit organization: The non-profit organization helps in providing the various types of information that is publicly free as it is one of the charitable form and it also helps in proving the scientific and the research based data.
Government agencies: A government agencies is basically responsible for providing the information freely in the form of intelligence agency and it also providing the various types of functions by managing the research based data.
Therefore, The given answer is correct.