Ch 19 Sec 2 - Reducing Solid Waste

broken down by sunlight

• source reduction

• recycling

• compost

• photodegradable plastic

• green plastic

enriches the soil

• source reduction

• recycling

• compost

• photodegradable plastic

• green plastic

made with sugar

• source reduction

• recycling

• compost

• photodegradable plastic

• green plastic

using milk jugs to make park benches

• source reduction

• recycling

• compost

• photodegradable plastic

• green plastic

using canvas bags for shopping

• source reduction

• recycling

• compost

• photodegradable plastic

• green plastic

An example of source reduction is

• composting.

• recycling.

• using canvas shopping bags.

• ALL

Making products from recycled materials

• is limited to metals.

• can save energy and other resources during the manufacturing process.

• uses so much energy that it is not economically workable.

• none

Which of the following is not a benefit of composting?

• providing nutrients to the soil

• reducing the need for fertilizers

• anything can be composted

• protecting soil from erosion

The difference between photodegradable plastic and green plastic is

• green plastic takes three to four times longer to degrade than does photodegradable plastic.

• photodegradable plastic degrades chemically, while green plastic does not.

• photodegradable plastic uses sunlight to degrade, while green plastic relies on soil bacteria in order to degrade.

• green plastic degrades chemically, while photodegradable plastic does not.

Which of the following is the easiest to recycle?

• single-serving drink box

• soft drink can

• computers

• batteries