Quartzite is a coarse-grained rock derived from sandstone. what type of rock is quartzite? igneous extrusive metamorphic sedimentary

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?

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.

Some substances but not other can cross the (blank) membrane of a cell