Regardless of the method used to develop a scientific explanation, what does a scientist always look for? 1Trends or patterns
2proof of hypothesis
3a mathematical equation
4something never seen before

2proof of hypothesis

Explanation:

A scientist is always on the look out for the proof of a hypothesis so as to validate their claim.

A hypothesis presented by a scientist is a testable idea. When the hypothesis is subject to a test, results are produced in form of data. The data is then analyzed to give the meaning which is the conclusion drawn So, the goal of a scientist is to find proof of their claim. The proof can come in many different forms or formats

The masses of the objects and their densities