How did using metal help ancient chinese people increase food production.

The chart below matches messenger rna codons with amino acids. a dna strand has the sequence of bases, aat. according to the chart, the corresponding messenger rna codes for which amino acid?

Which of the following is a presentation cue? a. crossing your arms b. mumbling c. repeating words d. whistling

What are the three stages of volcanic activity? a. active, magma, lava c. extinct, eruption, explosive b. eruption, quiet, explosive d. active, dormant, extinct