No group in what? like government? can you be more specific?
1. They are thick forests and are high in temperature
2. They receive a lot of rainfall
3. They are dense with many plants
4. There are dangerous animals/insects that could be poisonous
5. They’re aren’t a lot of resources in the rainforest and it’s easy to get sick because of the weather and wild environment
260 million years ago there was a supercontinet called Pangaea
Because it would require more energy to create elements with more protons