Igneous rocks form when magma or lava cools and hardens into a rock. Magma and lava are rocks that are so hot they move like a liquid. Magma is molten rock that is underground; lava is molten rock that is above the ground â and that is the only difference between them.A common igneous rock is granite.gneous rocks form when magma or lava cools and hardens into a rock. Magma and lava are rocks that are so hot they move like a liquid. Magma is molten rock that is underground; lava is molten rock that is above the ground â and that is the only difference between them.
In partial hydrogenation, the resulting fats are semi-solid at room temperature. In full hydrogenation, the oils become completely solid. The problem with partially hydrogenated oils is that they contain trans fat, which raises LDL (âbadâ) cholesterol, lowers HDL (âgoodâ) cholesterol and has other harmful effects. In contrast, fully hydrogenated oils, in essence, become saturated fatsâbut they contain no trans fat.
1 Limit saturated fats and oils, such as butter, bacon drippings, lard, palm oil, and coconut oil. 2  Instead, use soft tub margarine or vegetable oils, such as olive or canola oil. 3  Avoid trans fats or partially hydrogenated vegetable oils.4  These oils go through a process that makes them solid. Limit saturated fats and oils, such as butter, bacon drippings, lard, palm oil, and coconut oil. 2  Instead, use soft tub margarine or vegetable oils, such as olive or canola oil. 3  Avoid trans fats or partially hydrogenated vegetable oils.