Based on the mechanisms of raising the air, there are three types of rainfall.
(i) Convectional rainfall
(ii) Frontal (or) cyclonic rainfall
(iii) Orographic rainfall

(i) The blanket of air that surrounds the Earth is called the atmosphere.
(ii) It is held close to the earth by gravitational attraction.
(iii) Atmosphere plays on important role in predicting weather phenomenon.
(iv) It is a mixture of gases, water vapour and dust particles in different proportion.

The three principles of Jainism are known as Tri-ratnas. They are Right faith, Right knowledge, Right action.

1. Agriculture was one of the main soures of subsistence.
2. Both wet and dry land farming were practiced.
3. In the riverine and tank-irrigated areas, paddy was cultivated.
4. Millets were cultivated in dry lands.

(i) Meanders in due course of time become almost a complete circle with narrow necks
(ii) This is turn gets abandoned and forms a lake.This is called an Ox-bow lake

1. The Ziggurats were at the city centre on a platform and appeared like steep pyramids, with staircases leading to the top.
2. Around this temple were complexes of ceremonial courtyards, shrines, burial chambers for the priests and priestesses, ceremonial banquet halls, along with workshops, granaries storehouses and administrative buildings.

1. In Megalithic period people buried the dead bodies with grave goods in the cists.
2. Urns or pottery jars were used for burning the dead and also they used sarcophagi made of terracotta.
3. Dolmens, table like stone structures were erected as funerary monuments. Menhirs pillar are like stones erected as part of the burials or memorials.
4. Port holes are holes found in the cists and dolmens on one side.

(i) Democracy is the government of the people by the people and for the people.
(ii) People can elect the leader of their choice.
(iii) All the people can enjoy equal rights.

Merits:
(i) In a huge population country all the people can be represented by multiple parties.
(ii) Particular groups can form their own parties.
(iii) People will have multiple options to vote.
Demerits:
(i) Votes will be scattered.
(ii) It will develop groupsism.
(iii) When there is absolute majority there will be coalition government.

(i) In democracy Fundamenta! Rights are safeguarded to all the people.
(ii) All the People have equal rights.
(iii) People from all walks of life are treated equally.
(iv) People can elect their own leader.

(i) Five cardinal principles of Confucius Ethics are Humaneness, Righteousness propriety, wisdom, and trustworthiness.
(ii) Confucius said that wisdom grows from the family.
(iii) The foundation of society is the disciplined individual in an orderly family.
(iv) The superior man according to him is not merely intelligent or scholarly but his character should be exemplary.
(v) The superior man of Confucius possesses three virtues; intelligence, courage and good will.
(vi) He clearly proposed that when the command is wrong a son should resist his father and a minister should resist the prince.
(vii) He said that there are three requisites for government. "They are sufficiency of food, sufficiency of military equipment and confidence of the people in their ruler.

(i) Solar power is the conversion of energy from sunlight into electricity either directly using photovoltaic cells or indirectly using concentrated solar power.
(ii) Solar panels absorb the sunlight as a source of energy to generate electricity.
(iii) A solar electric system can reliably produce electricity for our home and offices.