Hydrosphere and Ocean Plastic Pollution QUIZS

What does the term precipitation mean?

• any change to a resource that makes the resource unhealthful for use.

• how safe water is for use by humans, animals and plants.

• the recycling of used water.

• water that falls from the sky as part of the hydrologic cycle in the form of rain, hail, sleet, or snow.

• the preserving and protecting of a resource.

Answer explanation

The term 'precipitation' specifically refers to water that falls from the sky as part of the hydrologic cycle, including forms like rain, hail, sleet, or snow, making it the correct choice among the options provided.

Which of the following is a disadvantage of dams and reservoirs?

• man made lakes used for drinking water, recreation and industry

• hydroelectric power

• existing ecosystems changed, displacing species and humans

• flood control

Answer explanation

The correct choice highlights a significant disadvantage of dams and reservoirs: they alter existing ecosystems, leading to the displacement of both species and human communities, which can have long-term ecological and social impacts.

Which of these countries have NOT made national plastic bag regulations?

• Kenya

• USA

• Rwanda

• China

Answer explanation

The USA has not implemented national plastic bag regulations, unlike Kenya, Rwanda, and China, which have all enacted laws to limit or ban plastic bags.

How much water does it take to produce one bottle of water?

• No water is used to produce plastic

• 1 bottle of water

• 3 bottles of water

• 6 bottles of water

Answer explanation

Producing one bottle of water requires about three times that amount in water due to the water used in the manufacturing process, including the plastic production and bottling. Thus, the correct answer is 3 bottles of water.

Which of the following is not a permeable surface?

• soil

• sand

• pavement

• moss

Answer explanation

Pavement is a solid, non-porous surface that does not allow water to pass through, making it impermeable. In contrast, soil, sand, and moss are all permeable surfaces that can absorb water.

Where does most fresh water exist?

• ice caps, lakes, and streams

• glaciers, rivers, and oceans

• aquifers, ice caps, and glaciers

Answer explanation

Most fresh water exists in aquifers, ice caps, and glaciers. Aquifers store significant groundwater, while ice caps and glaciers hold the majority of the Earth's fresh water, making this the correct choice.

Ocean's cover what percent of the Earth's surface?

• 70%

• 30%

• 10%

• 93%

Answer explanation

Oceans cover approximately 70% of the Earth's surface, making this the correct answer. The other options, 30%, 10%, and 93%, do not accurately represent the proportion of the Earth's surface covered by oceans.

How can we help to reduce plastic pollution?

• We should use paper/cloth bags.

• Ask companies to use biodegradable packaging.

• We should refill our drinking bottles not buy new ones.

• We should avoid buying plastic or styrofoam containers.

• All answers are correct.

Answer explanation

All the suggested actions contribute to reducing plastic pollution. Using alternatives like paper or cloth bags, advocating for biodegradable packaging, refilling bottles, and avoiding plastic containers are all effective strategies.

On average, how long is a plastic bag used by a person before being thrown away?

• 12 minutes

• 1 hour

• 1 day

• 1 week

Answer explanation

On average, a plastic bag is used for only 12 minutes before being discarded. This highlights the short lifespan of plastic bags in daily use, making 12 minutes the correct answer.

How much of the earth's water is freshwater?

• 68%

• 3%

• 97%

• 93%

Answer explanation

Only about 3% of the Earth's water is freshwater, while the vast majority, approximately 97%, is saltwater found in oceans. This makes 3% the correct answer.