Magma is classified as basaltic, andesitic or rhyolitic based on what factor

The increase of pollutants from in mexico has raised concerns about garage to health and the environment

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 kind of fault is the san andreas fault