What role does the ocean play in providing sources of energy? What are some new sources of energy that scientists are starting to utilize? (Site 2)

Explain how the density of ocean water is affected by temperature and how this results in major ocean currents distributing heat away from the equator toward the poles?

Describe the german immigrants in texas. why did they emigrate from germany to texas? what are some examples of their culture in texas?

Witch layer of the atmosphere has the most air pressure