Use the promts to write sentences

1.  так как сданы все экзамены,  студенты отправились домой. having  passed - причастие.having passed all exams - независимый причастный оборот. 2.девочка, пишущая на доске, наша лучшая ученица.  writing - причастие, герундия нет. причастный оборот.  -  the girl writing on the blackboard.3.так как ужин закончился, мы собрались в гостиной. being over - причастие. assemled - это глагол.  dinner being over - прич.  оборот.4.  дети любят слушать рассказы медсестры. told - причастие. told by nurse -прич. оборот. 5.  они настаивали на том, чтобы летом отправиться на юг. going - герундий. they instead on going - оборот. 6.  он гордится тем, что поговорил с этим человеком. having spoken - причастие. outstanding - герундий. he is proud of having spoken - оборот. 

ответ:

our planet earth is alive. many plants, animals and people live on the earth. how do we treat it? some people don't think that the earth is very sensitive. we must protect the planet from/against pollution. do you know how many cars are in the world? do your parents have a car? what do you do with the trash? do you sort the garbage out?

many animals, trees and flowers disappeared last century. people can't return them. do you want to see the clear sky over your head? do you want to see the moon, the sun and the stars? do you want to swim in a clean river, lake, sea and ocean? if you care about your planet, you must not talk! you have to do something!

about 7 billion people live on the earth. the number of people is increasing. however, the earth is not increasing at all. not all people can drink clean water and eat good healthy food. only people in europe, in russia, in north america can eat good food.

there are many countries with they appeared because of the problems with the environment. the desert is dead, vegetables and fruits can't grow in the desert. also there is no water in the desert.

объяснение:

можешь сокращать по абзацам как удобно))