Planet earth was probaly formed 30,thousand years ago the first life probably evolved 29 thousand years ago
When particles spread out it is called diffusion.
Upwelling is a process in which cold water from depths arise to the surface,
it's important because :
- It bring a lot of nutrients to the surface of the ocean
- It maintain the temperature of the ocean
hope this helps
I hope this help, answer is 125.5kcal♀️
Depend if you are more creative or more a solver(good in math).
