Запишите уравнения реакций, с помощью которых можно осуществить следующие превращения:

N2 - NH3 - NO - NO2 - HNO3 - NO2

 

(Во вложении номер 4)

  Put the verbs in brackets into the Present Simple or the Present Progressive form. Complete the sentences with the right pronouns.

1. What (be) his advice? — I haven't asked him for ... yet.
2. Your luggage (be) too heavy. They'll have to charge you for ... .
3. Her clothes (show) her good taste. ... really (look) great.

4. The football team (take) a shower at the moment. You can talk to ... later.
5. Physics (become) one of the most important subjects in our school. We all enjoy studying ....
6. The weather in this part of the world (change) very fast. You have to check ... before going out.
7. Where (be) my jeans? Have you seen ...?
8. These gloves always (keep) me warm. You should try ... on.
9. Her good looks (make) her very proud.— Yes, she thinks about... all the time.
10. The news you brought (change) everything. We need to discuss ... as soon as possible.
11. His money (be) on the table. He always forgets where he has left... .
12. They (change) posters on the Opera House.— I know. A new ballet (come) here next week.

 Решите пожалуйста!Нужно разложить по сеткам 240 апельсинов, по 30 апельсинов а каждую сетку. На сколько меньше сеток понадобится, если укладывать в каждую сетку по 40 апельсинов.

можно ли при помощи угольников построить углы 75 135 25 градусов ?если можно построить их