It's actually D. Humans cause artificial selection and they hunted for ivory.
B. larger and more complex
Explanation: As the environment became more unpredictable, bigger brains helped our ancestors survive.
Answer:
To be heloful Vinegar is an acid as it has a sour taste and it's ability to react with sour taste hence it's chemical properties includes
Ability to react with carbonate to form CO2
Ability to change litmus paper red
Ability to form H+ as only positive ion when dissolved in water
<span>A.let myself feel sad and then find ways to move on</span>