They are called compound sentences.When 2 sentences are connected.
Answer: See explanation
Explanation:
Series of items: When there are a series of items, the comma can be used to separate them e.g. I went to the market and bought rice, yam, beans and egg.
Introductory word or phrases: The comma can be out after an introductory word or phrase e.g. However, the dog bit the boy.
Interrupting phrases: The comma can be used for an interrupting phrase to give more information.
Compound sentences: Comma can be placed between compound sentences even though each sentence can stand on its own e.g. Tom doesn't like mangoes, so he threw them away.
i don't understand the question
Answer:
to lend credibility to the claim that other species also use tools
Explanation: it makes more sense than all the other options B to show chimpanzees are not intelligent disproves her first point at the start of the story especially when she said accept as human because humans are the smartest animals there is and let us be honest C is just obviously wrong.