O Conselho de Segurança da ONU pode aprovar deliberações obrigatórias para todos os países-membros, inclusive a de intervenção militar. Ele é composto por quinze membros, sendo dez rotativos e cinco permanentes. Por que alguns países ( o próprio Brasil) desejam fazer parte do conselho fixo? Quais são as vantagens que eles acreditam receber? ( Me ajudem)

Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.