Задание 
Listen to the dialogue.
Paul and Amy talk about recents events with weather and their views on the matter.
Write the correct word or phrase.
Amy: I think what humans do to the planet is going to have some [ ] and science is science, you know.
Paul: And yes, there is a science to [ ]it but there's also a lot of science to — not to deny it but there's definitely a lot of questions that aren't answered yet.
Amy: I've also read a bit about [ ] that are perhaps not—because of climate of change, every planet has weather systems that come and go.