A evolução da pirâmide etária apresentada indica a seguinte tendência:

 What is it about Serena that inspires such vitriol? Is it that she dominates in a sport that was once considered to be for the upper crust at country clubs? One would think that Althea Gibson and Arthur Ashe had put that idea to rest decades ago. Is it that she is considered too aggressive on the court? John McEnroe and Boris Becker seem to take the prize for that. Is it because she wins too much? To hate someone merely because he or she is great only speaks to one’s own insecurity. To attempt to and fault with someone because you cannot figure out how or why they win so often only shows that you have already lost. Or is it that she is unapologetically black? A #CarefreeBlackGirl who speaks her mind, supports her people, and whose only real opponent is herself.

Disponível em: https://theundefeated.com.Acesso em: 28 dez. 2018.

O texto, que discorre sobre Serena Williams, uma das mais bem-sucedidas atletas do tênis, tem o objetivo de

(IFBA) De acordo com a tabelados variados tipos sanguíneos humanos do sistema ABO, abaixo, responda: quais os tipos de heranças genética que são encontradas na expressão da variedade dos tipos sanguíneos humanos? Escolha a alternativa correta.

(ENEM 2017 LIBRAS)
Uma distribuidora possui 40 mil litros de combustível em estoque. Tal combustível é resultante da mistura de etanol e gasolina pura, de acordo com os percentuais de 25% de etanol e 75% de gasolina pura. Para atender aos novos parâmetros nacionais na mistura dos combustíveis, o dono da distribuidora precisará alterar os percentuais de composição do combustível presente no tanque para 20% de etanol e 80% de gasolina pura.Se o dono da distribuidora irá adequar o combustível em estoque ao novo padrão adicionando gasolina pura aos 40 mil litros existentes, a quantia de gasolina, em litro, a ser adicionada será

(ESCOLA NAVAL) Which option completes the paragraph below correctly

Electric Bikes

The US is different from other countries when it comes to electric bikes. Nearly  e-bikes __________ in 2014, most of them in China, where they are primarily used for transportation. They are popular in much of Europe, too. They are common in the Netherland and Switzerland; German postal workers use them to get around and BMW offers one for about

Electric bikes are different from motorcycles or mopeds, which rely on motorized power; they are bicycles that __________ with – or without – help from an electric motor. Riding an e-bike feels like riding a normal bike with a strong wind behind you; the motor just helps you to go faster or climb hills. Unlike mopeds, e-bicycles __________ on bike paths and they cannot travel faster than

(Abridged from www.theguardian.com)