Slate is a metamorphic rock that is formed from the sedimentary rock mudstone. Granulite is a metamorphic rock that is formed from the igneous rock basalt. Learn about sedimentary rocks, igneous rocks, other rocks and minerals or fossils. Make a fossil cast or check out our rock sorting lesson plan.
The definition of ongoing is something that is still going on at the present time and that is going to continue. An example of something that would be described as ongoing is an investigation that is still underway about a crime . YourDictionary definition and usage example.
The definition of intermittent is something that starts and stops or happens irregularly. An example of intermittent is occasional thunder during a rainstorm. stopping and starting at intervals; pausing from time to time; periodic. Origin of intermittent.