Over a period of several decades ecologists conduct an investigation on the survival of a species of lizards

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

What in scientific term why the salty popcorn causes this thirst

Im inn a ! what"s the answer which of the following is one way creativity can scientists? by ensuring they follow the scientific method by increasing the amount of time it takes to complete scientific experiments by making sure they only try things that have already been proven by leading them to ask more questions about the natural world