Q.3. Very Short Answer:-
of
(a) Define Biosphere.
(b) What is global warming?
(c) Define the term 'Scale'.
(d) Define the term 'Weather'.
(e) What is a rock?
(f) Define weathering.
Answers
Answer:
a) Biosphere is a narrow zone of the earth where land, water and air interact with each other to support life. It consists of plant and animal kingdom together.
b) Global warming: The increase in Earth's average temperature over a long period of time. Carbon dioxide: A gas released by the burning of coal, natural gas, oil, and wood that traps heat in the atmosphere. Carbon footprint: The amount of carbon dioxide one human releases into the environment in a year.
c) Scale is the ratio between the actual distance on the ground and the distance shown on the map.
d) The day-to-day conditions of the atmosphere at a place with respect to elements like humidity, temperature, wind speed, rainfall, etc. is called the weather of that place. Weather can be cloudy, sunny, rainy, stormy or clear. It is a part of the natural phenomenon which maintains the equilibrium in the atmosphere.
e) Any natural mass of mineral matter that makes up the earth's crust is called a rock. The earth's crust is made up of various types of rocks of different texture, size and colour.
f) Weathering : It is the process by which rocks on the land surface break down or crumble because of the action of the elements of weather such as rain, frost and temperature changes.
Answer:
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