What igneous rock has a sponge like appearance?

What is the most common type of metamorphic rocks in Death Valley? What are the chemicals found in rambutan peelings? Where does cucumber plant store there food? The pressure of earth atmosphere decreases with altitude or height above sea level .as a result the boiling point of water is on tall mountain peaks? What are the third and fourth block on the periodic table called? How many quarts are in a bottle? How do the specialized structure and function of plant cells including roots stems and leaves contribute to larger systems within the plant and to the plant as whone? What should you do if you are outside during a hailstorm? How do surface to volume ratio relate the size of a cell? What did the bixing day tsunami do to the hydrosphere? Why do abnormalities tend to be milder in x chromosomes? What is propanes scientific name? What is the most dangerous element to the human body? What voyage did thor hyerdahl make in 1947? Is Random Assortment partially responsible for genetic diversity? If you have a critical mass of a radioactive material what can occur? What element is a greenish yellowish gas that kills bacteria and is a bleaching agent? What is calcium thiosulfate? What does kilometer measure? What does greenwich have to do with time?