Dissolving a salt of a weak acid or base in water
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A phylum has more biodiversity because class is what narrows the phyla down even more. ( The order of largest biodiversity to smallest biodiversity is domain, kingdom, phylum, class, order, genus, species)
Carbon becomes part of organic molecules because pf photosynthesis
We are essentially pattern-recognizing machines. Every great musician knows that a great performance involves building up tension to an eventual release. And that's because that taps into our pattern recognition apparatus in the brain. Our brain is trying to figure out what's going to happen next.
Hope this helps you :)