How could framing the question of distance travelled lead to using proportional in one case and linear in another farming?

Scientific thinking: what clues about biology might road kill provide?

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

Linda and julia are trying to determine whether their ideas are scientific or pseudoscientific. linda's idea is free of bias. julia's idea gives the same result when tested repeatedly. which statement is correct about linda and julia's idea?