Answer:
option b or c I don't know
Entende-se por carta informal a missiva trocada entre pessoas com um relacionamento próximo e entre as quais existe familiaridade (parentes, amigos, colegas, etc.). São cartas que utilizam um estilo coloquial, apresentando o texto características de subjectividade.
Answer:
Life began on Earth at least 3.5 to 4 billion years ago, and it has been evolving ever since. At first, all living things on Earth were simple, single-celled organisms. Much later, the first multicellular organisms evolved, and after that, Earth's biodiversity greatly increased.
Explanation:
Pretty sure its called the 38th Parallel, or the Demilitarized Zone. :)