Copper mining can have a negative impact on Earth's systems. Identify one of Earth's systems and describe the effect that copper mining can
have on that system.

Mrna: gcuaauguc what amino acids does the mrna above code for? what type of amino acids or function are uag, uga, and uaa coding for? which codon (3 letters) signals translation to start and also codes for the amino acid methionine (met)?