Access Class 7 Geography Chapter 4 - Air InCBSE Class 7 Social Science geography Chapter 4,you come to learn about air. As we all know, the earth is surrounded by an atmosphere that acts as a blanket of air. It is vital for the survival of living beings on earth. We breathe the air...
Fig: Water Cycle Our earth is like a terrarium. The same water that existed centuries ago still exists today. Sources of Water Water sources can be broadly classified into: Fresh water sources:These include the rivers, ponds, springs and glaciers. Saline water source:Ocean bodies and seas form...
Class 7 Geography Weather ClimateWeather: It is the hour to hour, day to day conditions of the atmosphere. It changes dramatically from day to day. Even metaphorically it is said as changeable as the weather. Weather may be: Hot, Humid, Pleasant or Breezy....
Water Class 7 Notes: CBSE Geography Chapter 5 (Our Environment) Forests: Our Lifeline Class 7 Notes: CBSE Science Chapter 12 Biotechnology Principle and Process Class 12 Notes CBSE Biology Chapter 9 (Free PDF Download) Marketing Class 12 Notes CBSE Business Studies Chapter 10 (Free PDF Download...
Not only can you study all the topics with theChemistry notes. These are also theclass 11 Chemistry summarythat help you read the portion quickly. Moreover they help you arrive at theclass 11 Chemistry solutionsto the chapter-wise questions answers. All the notes for class 11 students, subjec...
Get solution of extra questions long and short answers type from chapter air climate class seven social science geography
在C#中??和?分别是什么意思? 1. 可空类型修饰符(?): 引用类型可以使用空引用表示一个不存在的值,而值类型通常不能表示为空。 例如:string str=null; 是正确的,int i=null; 编译器就会报错。 为了使值类型也可为空,就可以使用可空类型,即用可空类型修饰符"?"来表示,表现形式为"T?" ...
Class 7 Geography WaterExtra QuestionsQuestion 1: Describe tides.Answer: The rhythmic rise and fall of water twice in a day is called a tide. A high tide occurs when water covers much of the shore by rising to its highest level. A low tide occurs when water falls to its lowest level ...
Class 7 Geography Air NCERT Solution Question 1: Wet clothes take longer time to dry on a humid day. Why? Answer: Humidity level is very high on a humid day, i.e. plenty of water vapour is present in air. In this condition, air is unable to take up more water vapour. Due to ...
It is the most important layer of the atmosphere. The air we breathe exists here. It has following features: Its average height is 13 km. Almost all the weather phenomena occur in this layer. The weather phenomena include: Rainfall, Fog, Hailstorm, etc. ...