9th Unit 1 Final Review

When harmful gases, dust, or chemicals are released into the air, making it unhealthy to breathe. Common sources include car exhaust, factories, and wildfires.

• Soil Pollution

• Air Pollution

• Water Pollution

When dangerous substances like chemicals, waste, or plastic enter rivers, lakes, and oceans, harming aquatic life and making water unsafe for humans.

• Air Pollution

• Water Pollution

• Soil Pollution

When harmful chemicals, garbage, or toxins get into the soil, affecting plants, animals, and even our food supply. This can happen through pesticide use, industrial waste, or littering.

• Air Pollution

• Soil Pollution

• Water Pollution

Anything smaller than 300 meters is known as:

• A mountain

• A Hill

• A Slope

Landforms are man made.

• A naturally-formed feature on Earth’s surface.

•  A human-made structure on Earth’s surface.

External processes in which landforms are formed are caused by:

• Tectonic plates clashes

• Erosion

• Changes at the core of the earth

Erosion is the process in which:

• Erosion is when plants grow in dry areas by absorbing moisture from the air

• Erosion is the process of rocks forming from molten lava and cooling over time

• Natural forces like wind, water, or ice gradually wear away rocks, soil, and other materials from the Earth's surface and move them to another location.

Which mountain range runs through Guatemala?

• The Andes

•  Sierra Madre

• Rocky Mountains

 Which of the following is an example of a valley in Guatemala?

• Motagua Valley

•  Almolonga Valley

• Atitlán

What is a characteristic of a desert?

• High rainfall and lush vegetation

• Dense forests and wildlife

• Little water and sand dunes