Answer:
evolution of life on Earth
Explanation:
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.
Your answer would be... B. The climate on Earth has changed over time.
Its good to give healthy food to your body.
You really get hungry and grumpy when you dont get any food in your body
i hope this helps
Sleet
Might be wrong lol sorry if it is
