which step requires a statement proposing an answer to the question that will be expired by scientific method?​

What does it mean for a cell membrane to be selectively permable

The intervention of extraterrestrials has been used to explain the bermuda triangle, a region of the atlantic ocean where ships and planes are frequently lost, leaving no evidence behind. how would this explanation best be characterized?

Explain why biological control methods are generally environmentally superior to chemical pest control methods.