Enzo is writing a research paper about climate change. One of his sources is a blog post by a tourist who visited the Arctic Circle for a few weeks in the winter and felt the temperature was warm. Which descriptions best characterize this source? Select three options

Imagine a child who consistently gets mediocre grades and is often picked last for a team when games are played at recess. however, he likes to make silly jokes and play pranks, and he notices that people laugh when he does those things. the child starts to think that others are laughing with him, not at him. this is part of the process that charles cooley

Imagine you are driving down the highway and reading a sign that states save the planet don't litter which technique of policy enactment is being used

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?