What makes the earth go around the sun, the planets round and things fall

Which nucleotide component contains nitrogen

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.

Due tonight 10 points will mark brain