What mineral resource is described when concentration of valuable substances by hot aqueous (water-rich) fluids flowing through fractures and pore spaces in rocks?

The following are mineral compositions of a stainless steel EXCEPT?

Which of the following rocks has phaneritic textures?

Where do we get geothermal energy?

What type of geothermal power plant uses steam piped directly from a geothermal reservoir to turn the turbogenerator?

Which of these statements is TRUE about the outer planets?

How does ozone protect life on Earth?

What would be the temperature of the Earth without greenhouse warming?

Which of the following is the most appropriate description of the hydrosphere?

All living organisms of the earth, including those on the land, water and air, are considered part of which subsystem?

When a volcanic eruption spews gases and ash into the air, which two spheres are interacting?

A mineral fizzes when a weak acid is dropped on it, the mineral is probably

The following minerals are often light-colored EXCEPT

The relative hardness of a mineral can best be tested by

How effective is the physical property of color in identifying a mineral?

Which of the following physical properties can be expressed in numbers?

What property of minerals is described when it continues to glow even after the UV light has been removed?

This rock is formed when pressure deep within the earth melts and changes existing rock. 

A geologist studying volcanic activity is collecting rocks that

formed from hot, molten magma. What type of rock is the geologist collecting?

What geologic process can change granite into gneiss?

Which characteristic is found in sedimentary rocks?

The seated sculpture of President Lincoln inside the Lincoln Memorial was carved out of white Georgia marble. What type of rock is marble?

Identify the series of geologic processes that can transform sediment into shale, shale into slate, and slate into magma.

Which of the following minerals is used in the production of knife

Which of the following is a distinguishing characteristic of halite?

Which of these minerals is used as a pencil lead?

The process of removing mineral resources from the Earth’s crust is called _____

The first phase of mining is called:

What process uses high heat and chemicals to remove base metals and impurities from concentrates?

Which of these steps will return the mine into its useful purposes?

Which of the following is the correct sequence of coal formation?

Burning fuels primarily increases this gas in the atmosphere

Why are fossil fuels classified as non-renewable source of energy?

Which of the following fossil fuels is a mixture of methane and other gases?

Where does the energy for geothermal power primarily come?

What is a generator?

What percentage of of Earth's fresh water is frozen in Glaciers and ice caps?

As time goes by, water goes through the water cycle again and again, the amount of water on  

Earth__________.

How come humans can't access all of the freshwater on Earth?

A soil, rock, or sediment that is frozen for more than two consecutive years is called ______

It composes of solid rocks, crust, soil, and other minerals and landforms.

The following activities deteriorate the quality of water EXCEPT

Eutrophication refers to a process of change that takes place in a body of water. Which of the following causes eutrophication? 

What does unpotable mean?

The following can help manage and conserve water EXCEPT

The ability of a planet to retain its internal heat is proportional to its size.

High temperatures cause the quick evaporation of water.

The outer planets get too much sunlight for life.

Organisms can grow even without chemicals to make proteins and carbohydrates.

The groundwater is the largest reservoir of liquid fresh water on Earth.