Coasts IB Quiz

What are the main processes of coastal erosion?

• Freezing, thawing, condensation, and sublimation

• Hydraulic action, abrasion, attrition, and solution

• Evaporation, condensation, precipitation, and transpiration

• Deposition, weathering, corrosion, and submersion

Explain the concept of longshore drift and its impact on coastal erosion.

• Longshore drift is the process of sediment being transported along the coast by the movement of waves, leading to coastal erosion.

• Longshore drift is a man-made process that has no impact on coastal erosion.

• Longshore drift is the process of sediment being transported inland by the movement of waves, reducing coastal erosion.

• Longshore drift is caused by the movement of clouds along the coast, leading to coastal erosion.

Name two coastal landforms formed by erosion processes.

• Sand dunes and lagoons

• Coral reefs and barrier islands

• Tidal flats and spits

• Sea cliffs and sea stacks

Describe how wave-cut platforms are formed and their significance in coastal landforms.

• Wave-cut platforms are formed by the erosion of waves against a rocky coastline, creating a flat surface. Their significance lies in providing evidence of past sea levels and in protecting the coastline from further erosion.

• Wave-cut platforms are formed by the accumulation of sand and sediment, creating a flat surface.

• Wave-cut platforms are formed by the impact of meteorites, creating a flat surface.

• Wave-cut platforms are formed by volcanic activity, creating a flat surface.

How do human activities contribute to coastal erosion?

• Deforestation, urbanization, and industrialization help stabilize the coastline

• Fishing, agriculture, and tourism promote natural processes

• Waste disposal, pollution, and climate change have no impact on coastal erosion

• Construction, mining, and dredging disrupt natural processes

Discuss the impact of urbanization on coastal areas.

• Improved water quality and biodiversity

• Increased pollution, habitat destruction, and pressure on natural resources.

• Decreased human impact on the environment

• Less demand for housing and infrastructure

What are the different coastal management strategies used to prevent erosion and deposition?

• Concrete and steel engineering

• Rigid and flexible engineering

• Hard engineering and soft engineering

• Solid and liquid engineering

Explain the concept of beach nourishment and its effectiveness in coastal management.

• Beach nourishment is the process of removing sand from beaches to combat erosion

• Beach nourishment is only effective in coastal management for a short period of time

• Beach nourishment has no impact on protecting coastal infrastructure or maintaining recreational beaches

• Beach nourishment is the process of adding sand or sediment to beaches to combat erosion and increase beach width. It is effective in coastal management as it helps to protect coastal infrastructure, maintain recreational beaches, and provide habitat for coastal species.

How does human activity affect marine ecosystems and biodiversity?

• Marine ecosystems and biodiversity are not affected by human activity

• Human activity can negatively impact marine ecosystems and biodiversity.

• Human activity positively impacts marine ecosystems and biodiversity

• Human activity has no impact on marine ecosystems and biodiversity

Discuss the importance of marine protected areas in preserving coastal biodiversity.

• Preserving coastal biodiversity is not a priority for marine protected areas.

• Marine protected areas have no impact on coastal biodiversity.

• Coastal biodiversity is not affected by human activities.

• Marine protected areas are important for preserving coastal biodiversity.