by what process do sediments become well sorted, and by what process do sediments become poorly sorted?

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Sediments become well sorted through erosion, and poorly sorted through natural disasters/cataclysmic events.

Explanation: When something, say a massive pillar of rock erodes, then the many different layers of sediment become easily visible over time. Each different type of sediment and rock is easily visible, like the layers on a cake. This is due to erosion by wind or water, which slowly scrapes away the top layers and reveals what is underneath.

On the other hand, when a natural disaster or cataclysmic event occurs, these carefully separated layers are mixed and blended together in a poorly sorted fashion. Using our cake analogy, well sorted sediments by erosion would be equivalent to cutting a layered cake, while poorly sorted sediments by cataclysm would be equivalent to taking a hammer and smashing the cake, which would sloppily mix layers of sediment together.

The key difference between poorly sorted sediments and well sorted sediments is time. When sediments are well sorted, it is through erosion by wind and water, which is a lengthy and gradual process. However, when sediments are poorly sorted, it is through disruptive events such as natural disasters.

I didn't really organize my ideas in the best order, but I hope this makes sense and helps! Have a great day!

it is very hard for the climatologists to precisely predict how will the global temperatures be changing so there's lots of models, some of which differ significantly, this is due to multiple factors, and probably the most important is the human activity.

humans have been a key factor in climate change around the globe since the start of the industrial revolution, and in the past few decades the consequences are becoming more obvious. there's lots of emission of pollutants in the atmosphere as well as changing the environment on the surface itself, so it's really hard to predict how will that go in the future because there's some countries that are reducing the damage and are going towards green energy, while others are stubbornly continuing with pollution and damages to the environment.