The rock cycle is the endless journey by which rocks of each family are slowly changed into rocks of the other families: by weathering and erosion at the surface, by burial and hardening, by heat and pressure, by melting and cooling.
বইগুলো এখনো বাংলা ভাষায় পাওয়া যায় না — ইংরেজি সংস্করণ দেখানো হচ্ছে।
Earth and Space Sciences · পরিভাষা