Section 2 A.1- A.3

1. List two resources typically found in each of the three major "spheres" of Earth

1. Lithosphere: Rock and minerals

2. hydrosphere: water and minerals

3. Atmosphere: Nitrogen and oxygen

2. List and briefly describe three major parts of the lithosphere

a. Crust: Iron and nickel

mantle: Silicates of magnesium and iron

core: Coal oil and natural gas

B.Which layer serves as the main store house of chemical resources used in manufacturing consumer products?

The core

3. Identify the nation that produces the most 

a. Silver:Mexico

b. Copper: Japan

C. Tin : China

4. According t the information inTable 2.3 on page 136, which of these four nations- the us, Australia, China or \Brazil produces the largest masses of the eight listed resourcesin the table?

Brazil

5. Hose do minerals differ from ores?

Minerals are naturally occurring solid compounds containing the element or group of elements of intreats. And an ore is a naturally occurring rock or mineral that can be mined and from which it is profitable to extract a metal or other material

6. What factor determines the feasibility of mining a particular metallic ore at a certain site

The quantity of useful ore found at the site

the percent of metal in the ore

the type of mining and processing needed to extract the metal from its ore

the distance between the mine and metal refining facilities and markets

the metal's supply versus demand status

the environmental impact of the mining and metal processing

7. A nineteenth century gold mine, inactive for over 100 years, has recently reopened for further mining. What factor may have influenced the decision to reopen the mine?

The price of the metal when up

8.What is meant by referring to the quantity of "useful ore" at a site

Ore that can be used