What does the word 'sphere' indicate?

এই অধ্যায়ের আরও প্রশ্ন

• C-06-Q003In how many physical forms does water exist on the earth?
• C-06-Q004Water exists in the atmosphere in which form?
• C-06-Q005What percentage of the total volume of water is held by the oceans?
• C-06-Q006Rivers, glaciers, ground water, lakes, soils, atmosphere and biosphere together contain what percentage of the
• C-06-Q007The total water of the earth can be divided into how many types?
• C-06-Q008Salt water of the earth exists in which of the following?
• C-06-Q009Where does fresh water mainly exist?
• C-06-Q010According to Table 1, what is the volume of ocean water (ME × 1,00,000)?
• C-06-Q011The percentage of glacier water on the earth is —
• C-06-Q012The percentage of ground water on the earth is —