Earth is changing constantly and there is still so much we don't know about it.
Researchers construct a model of impact for El Nino / La Nina events
17 hours ago by https://sciencex.com/authors/bobyirka/
Phys.org) —A small team made up of researchers from the U.S. and Europe has constructed a...
Even though 90% of volcanos erupt under the water, the remaining 10% erupting on the ground and to the atmosphere have a huge impact on Earth's atmosphere. The eruptions of Mount Hudson in Chile in August 1991 and Mount Pinatubo in the Philippines in June 1991 produced huge volumes of aerosols...
It's a funny way of saying music is wonderful and can gently touch your senses and emotions through your ears. Cheesecake is used as a food for the soul because who doesn't like cheesecake, right? :) Basically it's kind of a metaphor :)
I think this is the most truthful answer. You lack data for a statistical identification. But like Borek suggested - such question, could be a very good way to find cheaters.