UPSC CSE Prelims 2023 Q68 — Environment & Ecology PYQ with Answer

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?