Which extrusive rock forms so quickly that no crystals form?

A) Magma

B) Pumice

C) Lava

D) Obsidian

How do el nino affect human activities

How many gps satallites orbit the earth?

What's the largest planet in our solar system?

How many time zones are there between the prime meridian and the international date line?

Why is solar energy not yet more widely used 1. It has been difficult to produce electricity using solar power? 2. Fossil fuels are widely distributed and inexpensive 3. the process produce dangerous waste products 4.

What is the luminosity of a 2-solar-mass main-sequence star compared to the sun? 2 0.14 1.414 11.3?

To find the enthalpy of a reaction in the lab, you measured the of the reactants

Which of the following rocks is formed by cooling lava? A. obsidian B. limestone C. sandstone D. marble

What factor distinguishes a midlatitude desert (bwk) climate from a subtropical desert (bwh) climate?

Explain the difference between contour lines and relief and how they relate to elevation on a map.