Consider the following activities: 1. Spreading finely ground basalt rock on farmlands extensively 2. Increasing the alkalinity of oceans by adding lime 3. Capturing carbon dioxide released by various industries and pumping it into abandoned subterranean mines in the form of carbonated waters How many of the above activities are often considered and discussed for carbon capture and sequestration?
Select an option to reveal the answer and explanation.
A hard Environment multiple-choice question from UPSC Prelims 2023. Attempt it above, then check the correct answer and detailed explanation below.
Show correct answer & explanation
Correct answer: C. All three
All three are discussed as carbon capture and sequestration approaches — enhanced rock weathering (basalt on farmland), ocean alkalinity enhancement (adding lime), and geological storage of CO2 as carbonated water in underground mines.
Practise writing a full Environment answer and get it graded by our AI examiner — free.
More Environment questions
According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions?
Consider the following: 1. Cashew 2. Papaya 3. Red sanders How many of the above trees are actually native to India?
Consider the following: 1. Butterflies 2. Fish 3. Frogs How many of the above have poisonous species among them?
Which one of the following trees shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree?
Which one of the following is the correct description of "100 Million Farmers"?
Consider the following statements: 1. Lions do not have a particular breeding season. 2. Unlike most other big cats, cheetahs do not roar. 3. Unlike male lions, male leopards do not proclaim their territory by scent marking. Which of the statements given above are correct?