Why is it important for the respiratory system and the excretory system to work together?

Put the following processes of protein synthesis in the correct order: - dna strands unwind and separate - mrna copies dna according to complimentary base pairing - trna's anticodons bring amino acids to the corresponding mrna codons - amino acids bind to each other making a protein - mrna leaves the nucleus - a stop codon is reached, the newly formed protein is released to go do its job for the cell

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.

Which is not true about balanced forces?