Поставьте предложения в вопросительную и отрицательную формы: i. it is a difficult matter to give a simple answer to the basic question. 2. land use planning is impossible without land information. 3. such information includes land resources capacity etc. 4. lands are very important resources for men. 5. people of the third world experience great poverty. 6. we observe a high level of living in some developed countries. 7. they have a degree of economic independence.

Is it a difficult matter to give a simple answer to the basic question?
It isn't a difficult matter to give a simple answer to the basic question.

Is land use planning impossible without land information?
Land use planning is not  impossible without land information

Does such information include land resources capacity etc?
Such information does not include land resources capacity etc.

Are Lands very important resources for men?
Lands are not very important resources for men

Do people of the third world experience great poverty?
People of the third world do not experience great poverty

Do we observe a high level of living in some developed countries?
We do not observe a high level of living in some developed countries.

Do they have a degree of economic independence?
They do not have a degree of economic independence.