what's the difference between 'soft' rock and 'hard' rock geology?
What is a hypothesis?
Explain the earths crust made of?
Where are mountains of the moon?
What is ablation?
Explain the constitution of mantle?
It was a boiling, burning pile of rubble effectively.
What are the examples of techno fossils?
In 1763, how did great britain try to end troubles with the native american?
Explain what separates the outer core from the mantle above it?
What is shale?
Why are minerals and petroleum important for manitoba?
What is mineralogist?
Explain what makes mountains appear purple?
What is hydrosphere?