The scientist could propose a theory based only on this initial study and is when the scientist can have enough evidence to propose it which therefore denoted as option C.
This can be referred to as a proposed explanation for a particular phenomenon which is then tested to ascertain its authenticity in other for it to become a law. This is usually done by other scientists in different parts of the world so as to check if it's universally accepted.
Theory on its own doesn't involve the use of scientific methods such as experiments as it's solely based on observation as can be seen in the scientist simply observing the platypus fur glowing blueish-green under ultraviolet light.
This is therefore the reason why option C was chosen as the correct choice in this context.
Read more about Theory here https://brainly.com/question/11555274
#SPJ1
