What were the primary topics discussed at the earth summit in 1992? a. environmental and political issues b. environmental and development issues c. political and development issues d. world market economy and war

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.

This connective tissue consists of large round densely packed cells with the nucleus pushed to one side.

Why do mountaineers become breathless as they reach high altitudes