Answer:
plant more trees or if you burn rubbish stop
Explanation:
plant more trees to make the plants take in carbon dioxide for photosynthesis while they give out oxygen
Pretty sure its the same way a egg is fertilized.
Because, when more species start to become extinct it disrupts the balance of the earth. For instance if spiders became extinct, the numbers of insects would exponentially grow. Which will become a problem for farmers, and more diseases would most likely occur.