1) Ao estudar a evolução da espécie humana moderna, observamos o surgimento de várias características em espécies ancestrais que beneficiaram seu estabelecimento e sucesso no ambiente. Entre essas características, podemos citar a bipedia e o desenvolvimento de ferramentas. A primeira espécie reconhecida como capaz de fabricar artefatos de pedra é chamada de:

d.

hope to be marked brainliest

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )

the answer is d. none of the above