Ответ:

2.invented

3.adding

4.find

5.develop

6.needing

7.discovery

8.give

Ответ:

2 were...invented

3 is added

4 are found

5 was developed

6 is needed

7 were discovered

8 was given

На сто процентов мои ответы верны. Предыдущие ответы не правильные

Объяснение: