Human Impact On Ecosystems

Which of the following is an effect of an oil spill?

• Many plants and animals die.

• The fishing industry improves.

• Plant life increases.

• The oil cleans the beaches.

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Why is plastic dangerous for marine life?

• a) They mistake it for food and cannot digest it

• b) They can get entangled in it which hinders their ability to swim

• c) It is not dangerous because they use plastic waste for habitats

• Both a) and b)

• Both a) and c)

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How does plastic end up reaching and entering the ocean from land?

• Littering in towns and cities

• Dumpsites near waterways and oceans

• People littering on beaches

• All of the above

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Who pollutes the ocean the most?

• Marine Animals

• Humans

• Land Animals

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What are the main sources of water pollution?

• Agriculture (farming) and industry

• Snails in water

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We can prevent water pollution by:

• Reduce the use of plastic.

• Properly dispose of chemicals.

• Clean up after your animals.

• All of the above

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Water pollution occurs when:

• Harmful substances enter a water supply

• Industries dispose of waste safely and correctly.

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What is this picture about?

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These are some types of pollution.

• air pollution

• land pollution

• food pollution

• water pollution

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3.Which of these factor is not a cause in an incresae in land pollution

• Proper disposal of cans in nearby bins
• Toxic waste
• Increase in solid waste of garbage on open lots
• electronic waste