APES - Unit 4

Front

What causes lower humidity at 30° north and 30° south latitudes?

Back

Warm air rises at the equator, cools, and sinks at 30° latitude, leading to lower humidity.

Front

What is an island arc?

Back

An island arc is a curved chain of volcanic islands that are formed at a tectonic plate boundary, typically where an oceanic plate subducts beneath another oceanic plate.

Front

What is the most effective method to prevent sediment runoff into streams?

Back

Maintaining zones of grass at least 100 m wide on the sides of streams helps prevent sediment runoff.

Front

What characterizes a transform boundary?

Back

A transform boundary is an area where two tectonic plates slide past one another.

Front

What is the impact of reduced ocean upwelling on fish populations?

Back

Reduced ocean upwelling can lead to lower fish catches, as it decreases the availability of nutrients that support marine life.

Front

Define the term 'rain-shadow effect'.

Back

The rain-shadow effect occurs when moist air rises over a mountain range, cools, and loses moisture on the windward side, creating dry conditions on the leeward side.

Front

What is the role of grass buffer zones in watershed management?

Back

Grass buffer zones help filter pollutants, reduce sediment runoff, and protect water quality in streams.

Front

Explain the concept of tectonic plate boundaries.

Back

Tectonic plate boundaries are the edges where two tectonic plates meet, and they can be classified as divergent, convergent, or transform boundaries.

Front

What are the consequences of increased dairy farming near streams?

Back

Increased dairy farming can lead to nutrient runoff and sedimentation in streams, negatively impacting water quality.

Front

What is ocean upwelling?

Back

Ocean upwelling is the process where deep, cold, nutrient-rich water rises to the surface, supporting marine ecosystems.