Chapter 16

Question 0

Gravel and sand are (?) minerals

Answer 0

Construction

Question 1

Basalt and granite are:

Answer 1

Igneous rocks

Question 2

Developed countries have 20% of the worlds population and consume (?)% of the worlds minerals.

Answer 2

75

Question 3

Aluminum and copper ore are (?) minerals

Answer 3

Metal-yielding

Question 4

Mineral consumption by the industrial nations has leveled off and in some cases declined. This is because these nations have largely completed their:

Answer 4

Infrastructure (roads, buildings, etc)

Question 5

The metal mineral produced in the greatest amount worldwide is

Answer 5

Iron

Question 6

The U.S. stockpiles which of the following minerals because they are strategic minerals?

Answer 6

Bauxite

Question 7

The melting of a metal ore to extract metal is called

Answer 7

Smelting

Question 8

Gold is mined in the Amazon basin using high-pressure streams if water; this type of mining is called

Answer 8

Hydraulic

Question 9

This process collects and returns used metals to factories where they are used again

Answer 9

Recycling

Question 10

Using only what we need and using it efficiently is called

Answer 10

Conservation

Question 11

The amount of times metal or mineral stays in use is called the

Answer 11

Residence time

Question 12

The U.S. law that targets hazardous waste is the

Answer 12

Resource conservation and recovery act

Question 13

Deposits of minerals that are fairly certain to exist and are feasible to mine at current prices are called

Answer 13

Reserves

Question 14

About (?)% of the earth’s surface is water

Answer 14

71