1. We should not
2. We should not
3. We should
4. New towns do
5. Petrol powered cars are not
Could u do it in English I might can help
Cold Winter. Because things die when they are cold
Explanation:
Given the importance of oxygen for animals, researchers suspected that a sudden increase in the gas to near-modern levels in the ocean could have spurred the Cambrian explosion. ... This supported the idea of oxygen as a key trigger for the evolutionary explosion.