Question
Is deforestation associated with global warming? Explain.
✓
Answer
Plants use carbon dioxide gas from the atmosphere for the process of ‘photosynthesis’. When a lot of trees are cut down (i.e., deforestation), then lesser number of trees will be left. The lesser number of trees will use up less carbon dioxide due to which the amount of carbon dioxide in the atmosphere will increase. Thus, deforestation increases the level of carbon dioxide in the atmosphere.
Carbon dioxide gas traps the sun’s rays that are reflected by the earth (causing greenhouse effect). Trapping of rays by carbon dioxide increases the temperature of earth’s atmosphere. This will lead to global warming.
The gradual increase in the overall temperature of earth’s atmosphere due to the greenhouse effect effect by the increased level of carbon dioxide in the atmosphere is called global warming. This explains that deforestation is strongly associated with global warming.
Carbon dioxide gas traps the sun’s rays that are reflected by the earth (causing greenhouse effect). Trapping of rays by carbon dioxide increases the temperature of earth’s atmosphere. This will lead to global warming.
The gradual increase in the overall temperature of earth’s atmosphere due to the greenhouse effect effect by the increased level of carbon dioxide in the atmosphere is called global warming. This explains that deforestation is strongly associated with global warming.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Boojho planned an activity to observe an object A through pipes as shown in Figure, so that he could see objects which he could not directly see.
$a.$ How many mirrors should he use to see the objects?
$b.$ Indicate the positions of the mirrors in the figure.
$c.$ What must be the angle with respect to the incident light at which he should place the mirrors?
$d.$ Indicate the direction of rays in the figure.
$e.$ If any of the mirrors is removed, will he be able to see the objects?
→$a.$ How many mirrors should he use to see the objects?
$b.$ Indicate the positions of the mirrors in the figure.
$c.$ What must be the angle with respect to the incident light at which he should place the mirrors?
$d.$ Indicate the direction of rays in the figure.
$e.$ If any of the mirrors is removed, will he be able to see the objects?
Write a paragraph in your own words on each of the following. Preparation of soil.
A glass rod is rubbed with a silk cloth and an inflated rubber balloon is rubbed with a woollen cloth. Now, out of glass rod, silk cloth, rubber balloon and woollen cloth:
$i.$ which two objects acquire negative charge?
$ii.$ which two objects acquire positive charge?
→$i.$ which two objects acquire negative charge?
$ii.$ which two objects acquire positive charge?
What are metals? Name five metals.
Explain why, it is easier to drag a mat on floor when nobody is sitting on it but much more difficult to drag the same mat when a person is sitting on it.
State one use each of the following products of petroleum:
$a.$ Petroleum gas
$b.$ Petrol
$c.$ Diesel
$d.$ Lubricating oil
$e.$ Bitumen
→$a.$ Petroleum gas
$b.$ Petrol
$c.$ Diesel
$d.$ Lubricating oil
$e.$ Bitumen
Which plastic is used:
$a.$ For making uniforms of fire$-$men fire resistant?
$b.$ For giving non-stick coating on frying pans?
$c.$ For making handles of frying pans?
$d.$ For making insulation $($covering$)$ of electric wires?
$e.$ For making electric switches?
$f.$ For making flexible water bottles?
→$a.$ For making uniforms of fire$-$men fire resistant?
$b.$ For giving non-stick coating on frying pans?
$c.$ For making handles of frying pans?
$d.$ For making insulation $($covering$)$ of electric wires?
$e.$ For making electric switches?
$f.$ For making flexible water bottles?
Observe the following circuits carefully. In which circuit will the bulb glow. Write ‘Yes’ or ‘No’ in the blank space provided along each of the circuit given in Figure.
The part of $P$ and $Q$ are present only in plant cells, and they are not present in animal cells. The part $P$ contains a green pigment called $R$ whereas part $Q$ is made of a tough material $S$. The part $P$ takes part in the food making process whereas part $Q$ gives shape and support to the plant cell.
$a.$ What is $(i)\ P$, and $(ii)\ Q$?
$b.$ What is $(i)\ R$, and $(ii)\ S$?
→$a.$ What is $(i)\ P$, and $(ii)\ Q$?
$b.$ What is $(i)\ R$, and $(ii)\ S$?
Give any four sources of sound in a market place.