Qual o assunto explorado na charge do homem tirando os lixos do Rio?

According to the united nations refugee agency, more than 2/3 of the world's refugees come from just five countries. which country is not on that list? a) turkey b) myanmar c) afghanistan d) south sudan

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Which of teh following would explain the importance of the trans-siberian railroad to russia's economy? (schoology test)