Q. The products of ____ are a major source of sediments for erosion and ____

View solution

Q. The polar regions of earth cannot support forest growth because

View solution

Q. The part of the earth and thin layer of air above its surface, which support life on earth, are referred to as

View solution

Q. The ridges of the waves are where the jet stream of waves closes to the

View solution

Q. The rate at change of temperature is called

View solution

Q. The rate of infiltration normally declines rapidly during the early part of rainstorm event and reaches a constant value after several hours of rainfall. The factors responsible for this phenomenon are the

I. filling of fine soil pores with water, which reduces capillary forces
II. moistened soil, clay particles to swell and reduce the size of pores
III. raindrop impact breaking up with soil clumps, splashing fine particles into pores

View solution

Q. The process where the particle moves from the surface to the medium in quick, continuous, repeated cycles is called

View solution

Q. The obscuring of one celestial body by another, particularly that of the sun or a planetary satellite

View solution

Q. The river Sutlej, on which the Bhakra Dam has been built, originates from

View solution

Q. The process of destruction or dying of fronts is called

View solution

Q. The Palaeozoic era starts at ____ million years ago and ends at ____ million years ago.

View solution

Q. The reaction is carbonate and bicarbonate ions with mineral is called

View solution

Q. The plants grown in equatorial regions include

View solution

Q. The process that may cause physical weathering or mechanical rupture are

View solution

Q. The process of particle detach ment by moving glacial ice is called

View solution

Q. The points in the ecliptic farthest north and south of the celestial equator are called

View solution

Q. Which of the following is concerned with the description and mapping of the main features of the universe?

View solution

Q. The process that creates the deep oceanic trenches is called

View solution

Q. The rainfall in the peninsular interior averages about

View solution

Q. The Palaeozoic era contains ____ time periods.

View solution