Explain in detail in why stormy weather is associated with front.

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed

What is the difference between the formation and characteristics of intrusive igneous rock and extrusive igneous rock?

In a river, which of the following would most likely be carried by suspension? this is called