246565 Which of the following is the closest layer to the Earth's surface in which all weather occurs?
Troposphere
246566 Days and nights occur due to …………… of the earth.
Rotation
246567 Which international organization has denoted Westerns Ghats as one of the eight biodiversity hotspots on Earth?
UNESCO
246568 Water is found on a very large part of the earth, what is this part filled with water called?
Water Board