Hi, everyone, I'm Mwaksy. I'm Greg.Quick question, Greg. Yes. So, I know if I let drop this apple,it will fall because of gravity. Yes.Ooh! Good catch.But what exactly is gravity? Gravity is a force ...
Ivy: Why are some of these trees losing their leaves, are they dying? Posey: Of course not. Ivy: OK, well the leaves must be coming off for a reason. If I owned these and was trying to keep them alive ...
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