Classify the following as mixtures, elements, or compounds:

1.H2O
2. H4
3. Fe+S
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One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

What three things determine the shape and size of a puddle when water is poured out onto a surface

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction