Scientists always consider that whenever there is an experiment, there is a tendency for a decrease in the amount of the expected product. Is this result a violation of the law of
conservation of matter? Why or Why not?

Which is mostly likely why many scientists reject the cold fusion theory

What is the percentage of hydrogen in c2h4

#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.