8. The two main sources of dissolved substances (such as salts) in seawater are volcanic eruptions from the Earth's interior and . * 1 point
a. chemical weathering of continental rocks
b. earthquakes at the continental margins
c. physical weathering of oceanic rocks
d. none of the above

Label the steps for protein synthesis in order, beginning with the first steponce the protein is made, the gene for a particular trait is expressedmrna joins the ribosome, and the anticodons from trna join mrna to form a chain ofamino acidsrna polymerase unzips dna and free rna nucleotides join dna to form mrnav a chain of amino acids is formed from peptide bonds, creating a proteinmrna is transported from the nucleus of the cell to the ribosomes of the cell.