What is igneous rock?
Explain what did radon detection in arid areas can help to explore?
What are the three major types of rocks?
Explain what minerals attract lightning?
Define the cambrian?
Describe the formation of metamorphic rocks?
What is the earth made of?
How can sedimentary processes concentrate and form resources?
Why did the continents spread apart?
Why does a glacier move?
What is petrologists?
Explain how are the layers of schist separated into alternating light and dark minerals?
What is crust?
What is rock cycle?
Explain the earths core made of?