Which of the following is true about ice ages? a. forests are plentiful and common b. biodiversity is reduced c. ecosystems are created d. glaciers reduce

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.

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

What characteristic makes a cell membrane selectively permeable