Crystals most often form in igneous and metamorphic rocks. According to the rock cycle, which processes and features do these rocks share that likely promote the formation of crystals?

You are a scientist who has been sent on a special mission to study plants and animals in south asia! your destination is an important forest in eastern india. you need to travel to 17°n latitude and 83°e longitude. which star should you travel to?

Why is immigration so important today?

Quiero una redaccion de yo soy medico y que tenga 10 lineas