In the different regions of the country, there is the one and unique features of the shifting of the land in India. In the purpose of the minor and major variation, these have featured in the two distinct patterns that are the (i) settled farming on the permanent and developed land in the plains and valley areas and (ii) tribal agricultural practices. 

because glass is a good trapper of heat, you know about glass house effect, it is a part of it, so when heat is entered in the room glass don't allow the heat to go out of room and indirectly making the room hot in cold climate

Manufacturing: Production of goods in large quantities after processing from raw material to more valuable products is called "Manufacturing". For e.g. Cotton into cloth, Sugarcane into sugar, etc.
Industry: Industry refers to an economic activity that is concerned with the production of goods, extraction of minerals or the provision of services. For e.g. Textile (Manufacturing), Mining (Extraction of minerals) and Tourism (Service Provider).

Under the Permanent Settlement the revenue was fixed or decided as per the land holdings of the peasants; In Mahalwari system revenue was to be paid by village known as mahal. ... In Permanent Settlement the zamindars collected the revenue. But in Mahalwari systern the village headman had to collect the revenue.

Below are the differences between the Mahalwari system and the permanent settlement.

1. Permanent settlement was started by Lord Cornwallis, while Holt Mackenzie started the Mahalwari system.
2.  In the permanent settlement, the land revenue was fixed, while in Mahalwari settlement, it was not.
3.   Zamindars collected revenue in permanent settlement, while the village headman collected the revenue in Mahalwari settlement. 

You should do this question yourself. But for your reference I am providing you energy conservation tips for school that you can add in your poster:
1. Advantage of Sunlight
2. Encourage students to recycle
3. Turn off all lights and screens when not in use
4. Switch to LED's or CFL's
5. Ensure roofs are properly insulated

Density Of Population: The number of people living in a unit area is called density of population. It is usually expressed as number of persons per square km. The average population density of the world is 51 persons per square km. South Central Asia have the highest population density; followed by East and South East Asia. The population density in India is 382 persons per square km.

1. Legislative Functions:

• The Parliament makes laws on all subjects listed in the Union List. It can also make laws on subjects listed under the Concurrent List.
• In case there is any conflict or overlapping in the provisions existing in the Union and State enactment, the Union law prevails.
• In cases when an emergency has been declared, the Union Parliament can also make laws on subjects that fall within the State List.

2. Financial Control:

• Union Parliament has exclusive powers to provide ways and means through which revenue has to be raised for public services. To that end it imposes taxes and also ensures that the money sanctioned for expenditure to various departments of the government has been spent for the authorized purposes.

3. Providing and exercising control over Cabinet:

• Our Parliamentary system blends the legislative and the executive organs of the State in as much as the executive power is wielded by a group of Members of the Legislature who command majority in the Lok Sabha.

4. Critical Assessment of the Work of the Cabinet:

• The Parliament provides the forum through which is ensured that the Cabinet remains in power only as long as it commands majority support in the Lok Sabha which comprises elected representatives of the people.
• It is one of the most important functions of the Parliament to bring about discussions and critical assessments of the performance of the government departments.

5. Role of opposition:

• The existence of opposition also ensures that the nation gets to know about the alternative points of view.

Known as the Sarda Act, it prohibited child marriages of girls below the age of 15 years and of boys below the age 18. In 1978, the law was amended to make it more effective and raise the Page 8 8 minimum age of marriage by three years i.e. from 15 to 18 years in case of girls and from 18 to 21 years in case of boys.

The immediate cause for the revolt of 1857 was the greased cartridges supplied to the soldiers for the new Enfield rifles. The cartridges had to be bitten off before insertion. It was rumored that the new cartridges were greased with the fats of cow and pig. This angered both the Hindu and Muslim soldiers as it hurt their religious sentiments. Thus, they rebelled against the British.

If there are no restrictions on the power of the elected representatives the leaders might misuse the powers given to them. The Constitution provides safeguards against this misuse of power by our political leaders. The Consitution lays down rules that guard the citizens against the misuse of power. 

The chrisitian missionaries were attacked by many people in the country because they feared that the missionaries Would change the religion of tribal groups and lower-caste children. Yes, some people also would have supported them. This has the following reasons:
(i) The missionaries were setting up schools for tribal groups and lower caste children.
(ii) These children were thus equipped with some resources to make their way into a changing world. 

Supreme Court: The Supreme Court of India is the highest judicial authority. It is located in New Delhi and is presided over the Chief Justice of India. The decisions made by the Supreme Court are binding on all other courts in India.

• In a democracy people choose their representatives and the leaders might misuse their powers. Constitution provides safeguards against this.
• In a democracy, the constitution ensures that the dominant group does not use power against less powerful groups.
• The constitution guarantees fundamental rights to the citizens for their social, economic, and political welfare.

• In a democracy people choose their representatives and the leaders might misuse their powers. Constitution provides safeguards against this.
• In a democracy, the constitution ensures that the dominant group does not use power against less powerful groups.
• The constitution guarantees fundamental rights to the citizens for their social, economic, and political welfare.

Plant cell needs cell wall whereas animal cell do not because the plants need rigid structure so that they can grow up and out . All cells have cell membranes, and the membranes are flexible. So animal cells can have various shapes, but plant cells only have the shapes of their cell walls

Permanent settlement-
1) It was initiated by Lord Cornwallis.
2) This was executed in Bengal.
3) The authorities entered into this settlement with the zamindars.
4) Land revenue was fixed.
5) Noassessment of the land was made.
Mahalwari settlement-
1) It was initiated by Holt Mackenzie.
2) This was executed in the north-west frontier provinces.
3) The authorities entered into this settlement with the village community where they held landin common tenancy or with the landlords.
4) Land revenue wasn't fixed.
5) An assessment of the land was made. The revenue was charged on the 'netproduce'.

Subsidiary Alliance was basically a treaty between the British East India Company and the Indian princely states, by virtue of which the Indian kingdoms lost their sovereignty to the English. It also was a major process that led to the building of the British Empire in India. It was framed by Lord Wellesley, the Governor-General of India from 1798 to 1805. It was actually used for the first time by the French Governor-General Marquis Dupleix.

Under the Ryoti system, the planters forced the ryots or peasants to sign a contract. The peasants received a loan from the planters to cultivate their land. Due to this the peasants were forced to cultivate indigo in 25% of their land. The peasants received seeds and ploughs for cultivation from the Planters.

The policy that was majorly followed by The English East India Company to annex various Indian territories was called “The Doctrine of Lapse”. This policy was issued by Lord Dalhousie, the Governor General of East India Company.

States were annexed by Dalhousie by applying 'Doctrine of Lapse'

The States of Satara (1848 AD)

Jaipur (1849 AD)

Sambhalpur (1849 AD)

Bahat (1850 A.D)

Udaipur (1852 AD)

Jhansi (1853 AD)

Nagpur (1854 AD)

Tidal energy is a form of hydropower that converts the energy of the tides into electricity or other useful forms of power. The tide is created by the gravitational effect of the sun and the moon on the earth causing cyclical movement of the seas.

Geothermal energy is basically produce from the earth. Temperature below the earth surface is very large compare to other places, It can be happen due to other reason. This heat from earth mantle can be use to produce heat.

Cold water is sent through pipes in the heated area of earth mantle and the water gets heated up due to high temperature.  Steam produced from this procedure can be use to rotate turbine which can produce electricity.

Natural geyser is one of it's example.

The British took several steps to modernise the armies were quickly expanded by recruiting peasants and training them as professional soldiers ; the sepoy were paid a regular salary , received uniforms and food and we're armed with superior firearms like muskets and matchlocks.