How does water heat Earth? O Water traps heat and holds it deep inside the ocean.
O Water transports nutrients and waste.
O Water carries heat from the equator toward the poles.
O Water from rainfall on land starts in the ocean.

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.