Question

Scientists earlier believed that the lowest measurable temperature is the freezing point of ice. However, modern scientists believe that temperatures below the freezing point of ice can also exist. What best accounts for these different opinions?
scientists propose contradictory ideas to include all possibilities
scientists come up with different hypotheses without enough evidence
scientists propose different ideas to avoid repetition of scientific knowledge
scientists having different interests may interpret the same data in different ways

Answer 1

The statement that best accounts for these different opinions is: scientists propose contradictory ideas to include all possibilities. This statement refers to the scientific method, that is a set of different techniques for investigating phenomena and gaining new knowledge that can improve or correct the previous one. As a result, analysis based on contradicting opinions leads to the progress in scientific sphere.