Question

Which is the most practical approach that can be done by most people to reduce dependence on nonrenewable energy sources? (1 point)

•using high power generators
• using hydroelectric power
• using recycled materials in house construction
• saving electricity at home

Answer 1

saving electricity at home

Answer 2

Which is a direct result of increased consumption of metals? (1 point)

• increased human population
O climate change from the use of metals
• rising sea levels
• pollution from mining operations

Answer 3

pollution from mining operations

Answer 4

Which natural resource is mined to produce a digital phone? (1 point)

O natural gas
• copper
O plastic
• coal

Answer 5

copper