Macro means 'Large '...so in context of macroeconomics it means economy as a whole.Macroeconomics is that branch of economics which studies economic problems of the economy as a whole..for example unemployment,output,inflation,national income . Macroeconomics helps the government to make plans for the growth and development of the nation.

FALSE.

1)LAND IS FIXED IN NATURE.IT CANNOT BE INCREASED.

2) LAND CAN BE USED FOR VARIOUS PURPOSES.

3)LAND MAY BE FERTILE OR INFERTILE DEPENDING UPON THE GEOGRAPHICAL LOCATION.

4)LAND IS THE GIFT OF THE NATURE5

5)LAND CANNOT BE UTILISED UNDERGROUND EXCEPT UTILISATION OF RESERVED RESOURCES BUT CAN BE UTILISED ABOVE FOR AGRICULTURE,FARMING,HOUSING ETC.ETC6)

6)FOREST /JUNGLES ARE GROWN ABOVE THE LAND.

With the increase in the price of the petrol, there will be reduction in the demand of the car and the demand curve will be downward sloping.

Increasing return to scale means as production goes on increasing cost per unit of production will go on decreasing.This is due to updation of tecnology,capital intensive and automation method and optimum utilisation of resources.

Tertiary sectors are non-manufacturing unit but service producing sector. Like transport, banking, insurance, publicity and advertisement. They provide assistance to manufacturing sectors.

MP curve is downward sloping.

1.Scarcity of resources and 2.allocation of available resources in a proper manner.

Many of the natural resources are exhaustible when it will run out it will create problems in future because of its scarcity. When Natural resources like coal, petroleum ,diesel and other fossil fuels are used it causes air pollution,water pollution which give rise to many problems.

PPC concave shows That MRT is increasing.