Jorge is giving a speech explaining why audience members should purchase a new computer operating system. What type of speech will he likely give?.

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?

Summarize the work of famous environmental scientists of the past.

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