What is it called When the lava stops erupting out of the central vent what is left at the top?

Maximum no of power sockets allowed in one circuit? What is blood complex mixture of? Does a star move at a slow motion that we can't see? What are the main components of mars? How do you know that a burning of candle wax is an exothermic change? When an object accelerates how does air resistance respond? Which one of the following wraps around supports and holds organs in proper position within the body? What roles a gecko have in the ecosystem? Which layer in the Atmosphere do sprites and elves occur? Why do you supply stripping steam in a distillation column when you are heating the crude to a temperature where fractions lighter than residuum go up? What forms around each new cell during meiosis? What effects do stars' brightnesses have on other parts of the solar system? How many molecules of dinitrogen peroxide are in 2.88 moles of dinitrogen pentoxide? Do areas near the equator heat up more or less than other regions? When was Michelagnolo Galilei born? What provides support in the flower? What is perception and factors that affect it? What was the importance of fermentation? What is a cycloconverter? What is a 1 75000 scale map medium?