#14-Preserving the shining sea

What is the main theme of the passage?

• Ocean pollution and its effects

• Marine life diversity

• Ocean exploration

• Fishing techniques

Which layer of the ocean is known for being dark and murky?

• Sunlight zone

• Twilight zone

• Midnight zone

• Abyssal zone

What is one of the main sources of ocean pollution mentioned in the passage?

• Agricultural runoff

• Volcanic eruptions

• Natural oil seeps

• Solar radiation

How does mercury enter the ocean environment?

• Through volcanic activity

• By burning fossil fuels and trash

• From underwater mining

• Via ocean currents

What is the impact of plastic pollution on marine life?

• It provides shelter for small fish

• It decomposes quickly

• It traps and harms sea creatures

• It enriches the ocean floor

Tags

NGSS.MS-LS2-4

What percentage of ocean pollution is believed to come from land-based activities?

• 50%

• 60%

• 70%

• Over 80%

Why is cleaning up ocean pollution considered important according to the passage?

• To improve fishing yields

• To maintain ocean temperatures

• To preserve marine biodiversity and health

• To increase tourism

Tags

NGSS.MS-LS2-5