Which type of rock is the easiest to classify Why?

How do you turn the dome lights the lights underneath the dash when they don't go off after getting out of the car? Will sugars and salts dissolve in hair gel? How many chemical bonds ekasilicon form? What is ruthless streak? What effect does Jupiter have on Gemini? What is a Black Sea Dragon? Why Venus is the hottest planet even though mercury is closest to the sun.? 10 north latitude 67 west longitude? How does the endocrine system and the excretory system? Is it true that Organisms that live in the benthic zone are better adapted to deal with high salt concentration? Is it true that Brahe was the first astronomer to understand that the planets orbited the sun in an ellipse? Why deuterium is heavier than protium? Why are bacteria important in the carbon nitrogen and phosphorus cycle? Once respiration starts in a seed germination has begun? What is local geology? Can the nucleus be discovered using analytical cell fractionation? What kinds of wildlife lives at the south pole? When do degeneracy in trasport problem occur? How do you run arabinose test? How would the other parts of of the cell be affected when the vacuoles were no longer able to store water and food?