Which sedimentary rock is burned to produce energy?

coal
iron ore
rock salt
limestone

coal

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?