Weathering and Erosion Processes Quiz

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Which living organisms speed up the weathering process by their actions?

Plants (correct)

Fungi

Bacteria

Algae

How do burrowing animals contribute to rock weathering?

By releasing oxygen

By absorbing minerals

By making burrows that loosen rocks (correct)

By reducing the temperature

What effect do plants have on rocks through their roots?

Moisten the rocks

Solidify the rocks

Create new rocks

Widens the joints in rocks (correct)

Which of the following activities encourages weathering of rocks?

Deforestation Signup and view all the answers

How do burrowing animals affect rocks?

Loosen the rocks through burrowing Signup and view all the answers

Why do plants contribute to the weathering of rocks?

By widening joints in rocks with their roots Signup and view all the answers

What is the definition of weathering?

Wearing away or breaking down of rocks into smaller pieces Signup and view all the answers

Which agents can cause weathering?

Plants and animals Signup and view all the answers

What is the difference between weathering and erosion?

Weathering wears away rocks, while erosion involves the removal of weathered materials Signup and view all the answers

Which process changes landforms over millions of years?

Weathering and erosion Signup and view all the answers

What type of weathering involves biological agents?

Chemical weathering Signup and view all the answers

Which process occurs in situ without any movement?

Weathering Signup and view all the answers

Which process causes rocks to break due to expansion during the day and contraction at night in dry areas like deserts?

Block disintegration Signup and view all the answers

In which weathering process do rocks have an outer layer that peels off in concentric shells, resembling onion peeling?

Exfoliation Signup and view all the answers

What type of weathering occurs in equatorial regions and tropical areas where upper layers of rocks expand when wet and contract when water evaporates?

Repeated wetting and drying Signup and view all the answers

In which weathering process does frost play an important role by exerting pressure on rocks when water in cracks turns into ice?

Frost action Signup and view all the answers

Which type of weathering results in the alteration of minerals in rocks, making them weak and forming new minerals?

Chemical weathering Signup and view all the answers

Where is chemical weathering most common due to the presence of water in cracks and joints of rocks?

Humid areas Signup and view all the answers