CP 2 Review

Front

What are the Earth's layers?

Back

The Earth has four main layers: the crust, mantle, outer core, and inner core.

Front

What is the composition of the inner core?

Back

The inner core is a solid, dense layer made mostly of iron.

Front

What causes rocks to break apart in nature?

Back

Growing tree roots can break apart rocks as they expand and grow.

Front

What is a renewable resource?

Back

A renewable resource is a natural resource that can be replenished naturally over time, such as trees.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which plants make their own food using sunlight, water, and carbon dioxide, releasing oxygen as a byproduct.

Front

What is the role of trees in an ecosystem?

Back

Trees provide oxygen, improve air quality, and offer habitat for wildlife.

Front

Where are ocean trenches typically located?

Back

Most ocean trenches are located near the edge of a continent where it meets the ocean.

Front

What is the significance of oxygen in the environment?

Back

Oxygen is essential for the survival of most living organisms, as it is used in respiration.

Front

What happens to carbon dioxide levels when more trees are planted?

Back

The amount of carbon dioxide in the air decreases as trees absorb it during photosynthesis.

Front

What is the difference between renewable and non-renewable resources?

Back

Renewable resources can be replenished naturally, while non-renewable resources cannot be replaced once used.