Challenging Questions: Human Impact Flash Cards

Front

When can plastics cause significant biological damage in oceans?

Back

Plastic waste strangles seals and birds.

Front

What is the cause of Minamata disease?

Back

ingestion of methyl mercury-contaminated fish and shellfish

Front

What are the two most significant human sources of oil pollution in the marine environment?

Back

normal oil tanker/shipping operations and urban run-off

Front

The most biologically devastating oil spills in the marine environment are usually the result of:

Back

collision and/or sinking of oil tankers

Front

Which of the following is NOT an example of pollutants in the marine environment? hydrocarbons, sewage sludge, phytoplankton.

Back

phytoplankton.

Front

Which of the following does NOT influence infiltration?

• Soil characteristics
• Humidity
• Soil saturation

Back

Humidity

Front

How does water move through watersheds?

Back

Downstream, from small to large water bodies

Front

Example of a permeable surface: sandstone, granite, clay

Back

sandstone

Front

Most of the groundwater used by humans is used for _______.

Back

Agriculture

Front

Water will flow deeper and deeper into the Earth until it reaches a(n) ________ layer, such as the bedrock.

Back

Impermeable