MEDIUM
Earn 100

Answer the following in a word or a sentence.

  • What is denudation?

Important Questions on Factors Causing Changes in the Earth's Surface: External Factors

HARD
"Weathering refers to processes that break the rocks into smaller and smaller pieces." Does weathering provide some benefits also? Explain.
EASY

Statement I The process of decay and disintegration of rocks in situ is called weathering.
Statement II Weathering takes place both mechanically and chemically.

Which of the following statement(s) is/are correct?

MEDIUM
Which of the following is a form of chemical weathering in which the chemical bonds of the mineral are changed as it interacts with water?
EASY
Name the two forces that continuously wear down the rocks on the Earth's surface.
EASY
What is meant by “weathering of rocks” ? Briefly discuss the causes of weathering of rocks.
EASY
Which one of the following is not a process of chemical weathering? 
EASY

Why is hydrolysis an effective form of chemical decomposition of bedrock in humid tropics?
1. Humid tropics experience high temperature and humidity.
2. There is a high diurnal range in temperature.

Select the correct answer using the codes given below.

MEDIUM
The wearing away of landscape by different agents is called weathering.
EASY

Statement I Chemical weathering processes are found more active in hot and humid environment.

Statement II High temperature and rainfall help in the process of decomposition of rocks.

Which of the following statement(s) is/are correct?

HARD

Distinguish between the following:

(a) Weathering and erosion

(b) Active volcanoes and dormant volcanoes

MEDIUM

Analyze the following statement and choose from the given options:

Assertion - Decay and disintegration of rock in situ are called weathering.

Reason- Mechanical weathering is mainly caused by temperature variation.

MEDIUM
_____ is the wearing away of the landscape by different agents like water, wind and ice.