Перевод предложения

И снова здравствуйте, подскажите пожалуйста значение слова arui в данном предложении. В словарях ничего не нашел..

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The economics of land use involves analysis of many social factors arui is related to several disciplines.

Экономика землепользования включает в себя анализ многих социальных факторов ВСС связано с несколькими дисциплинами.

помогите
Переведите предложения и укажите время и залог глагола-сказуемого в каждом предложении.

1 Many specialists are trained at our Academy.

2 After the lecture we asked many questions to the lecturer.

3 They have finished their work in time.

4 The chemical laboratory will be provided with the most up-to-date equipment.

помогите пожалуйста!
перепишите следующие предложения, определите в каждом из них видовременную форму и залог сказуемого.
1.The resources that go into the creation of goods and services are called the factors of production.
2. The price helps us to determine when and where factories will be built.
3. The government has undertaken a number of programs ti increase its income.
4. In 1985 government was buying goods andservices which cost $ 815 billion or 20 per cent of GNP.

Помогите пожалуйста!!! 1.In 1982 H. Wilde demonstrated the princeple of operation

The product of 13 integer numbers is positive. From this intormation we can
deduce that it is necessarily true that:
a)If (a) all factors are positive.
b) one factor is positive and 12 factors are
negative.
(с) 7 factors are positive and 6 factors are
negative.
(d) there is an odd number of positive
factors (in the product),
(е) at least two factors are negative.
Which answer is correct and why ?

1.Runoff occurs when precipitation that does not have an opportunity to infiltrate into the soil flows across the land surface
2.Water is supplied without any interruption to all apartments
3.A reservoir is a huge sophisticated hydro — technical system
4.This scheme will provide greatly improved waterway communications
5.The rapid development of irrigation during the past one hundred years has brought acute problems of water — logging and salinity

a) 1. The idea of space flights is attracted the attention of the people since the remotest times.
2. When Mendeleyev was constructing his table he left several blanks in order to put the elements of similar properties in the same group.
3. The Olympic Games have a very long history.
b) 1. New achievements of Russian scientists are much spoken about.
2. The question is not connected with the subject which is being discussed now.
3. Newton's works are often referred to in scientific papers.