Solar system is the certain arrangement of heavenly bodies in the space
The earth is spherical in shape. It flattens at the poles and bulges at the equator. The shape is said to be oblate/spherical shape.
Nebula theory
West to East in anti-clockwise direction
Any example of a plan is acceptable
Revolution of the earth
Rotation of the earth
Y - core
X - Crust
Equitorial climate (A)
S - Rainforest
R - Bambooo forest
Q - Health and Moorland
Dinka, Japadhola (B)
Search for pasture and water (drought)
Increased trading activities, intermarriage, exchange of culture etc
Age set - two or more age groups
Headteacher chairs staff meetings
Electing school president/captain, involved in making school rules, participating in group discussion, choosing members of a school club, making class rules.