1 Igneous Rocks: form by crystallizing melted material (magma). 2  They can form either on the surface (extrusive igneous rocks), or deep in the crust (intrusive or plutonic igneous rocks). 3  Volcanoes are places where magma erupts as lava or ash.etamorphic rocks: 1  form by recrystallization of either igneous or sedimentary rocks. 2  This happens when the temperature, pressure or fluid environment change and a rock changes its form (e.g. limestone turns to marble). 3  The range of temperatures for metamophism is 150C up to the melting temperature.
1 Answer 1. Depending on the temperature in your fridge, cooked lentils will be safe to eat for 2 to 5 days when using a sealed container, filled with the cooking water. By immersing them, your lentils won't dry out and they'll be ready to use whenever you need them - just drain the amount you need.
1 If cooking on a High setting, halve the time. 2  Cook the lentils for 2 hours instead of 4 hours. 3  Do not stir the lentils as they cook. 4  Avoid removing the lid during the cooking process, only doing so once you are ready to test for doneness.ook the lentils until they become tender without turning mushy. 1  This process usually takes about 4 hours, but the time may vary depending on how old the lentils are. 2  Older lentils may take up to 6 hours, while younger, fresher lentils may only need 3 1/2 to 4 hours. 3  If cooking on a High setting, halve the time.