while studying in the lab, a scientist discovers that a sample of platypus fur glows bluish-green under ultraviolet light. when would the scientist have enough evidence to propose a theory?

preservation because he preserves part of the land and preserves means save

explanation:

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

b is the answer and if you need further with anything message me