Consider the following statements: Statement-I: Rainfall is one of the reasons for weathering of rocks. Statement-II: Rain water contains carbon dioxide in solution. Statement-III: Rain water contains atmospheric oxygen. Which one of the following is correct in respect of the above statements?
Select an option to reveal the answer and explanation.
A medium Geography multiple-choice question from UPSC Prelims 2024. Attempt it above, then check the correct answer and detailed explanation below.
Show correct answer & explanation
Correct answer: A. Both Statement-II and Statement-III are correct and both of them explain Statement-I
Both Statement-II and Statement-III are correct and both explain Statement-I. Dissolved CO2 makes rain water a weak carbonic acid (carbonation) and dissolved oxygen drives oxidation — both are chemical-weathering processes caused by rain water. So option (a).
Practise writing a full Geography answer and get it graded by our AI examiner — free.
More Geography questions
Consider the following statements: 1. The Red Sea receives very little precipitation in any form. 2. No water enters the Red Sea from rivers. Which of the statements given above is/are correct?
Consider the following statements: Statement-I: Sumed pipeline is a strategic route for Persian Gulf oil and natural gas shipments to Europe. Statement-II: Sumed pipeline connects the Red Sea with the Mediterranean Sea. Which one of the following is correct in respect of the above statements?
The longest border between any two countries in the world is between:
On June 21 every year, which of the following latitude(s) experience(s) a sunlight of more than 12 hours? 1. Equator 2. Tropic of Cancer 3. Tropic of Capricorn 4. Arctic Circle Select the correct answer using the code given below:
With reference to "Coriolis force", which of the following statements is/are correct? 1. It increases with increase in wind velocity. 2. It is maximum at the poles and is absent at the equator. Select the answer using the code given below:
Consider the following description: 1. Annual and daily range of temperatures is low. 2. Precipitation occurs throughout the year. 3. Precipitation varies between 50 cm – 250 cm. What is this type of climate?