fluid C has a relative density of 10 ,while fluid D has a relative density of 15 . if the height of liquid C is 7,what will be the difference in heights of liquid D in the two tubes ? in the diagram point 1 is in liquid D just after the end of liquid D . 15 cm or 10.5 cm or 5cm or 4.67cm​

When volcanoes erupt, magma (hot, molten rock) rises toward the surface of the earth. as magma cools, solid rock forms. this rock contains substances from the interior of the earth. which of the following natural resources is likely to be plentiful near subduction zones where volcanic activity has occurred in the past?