How are bacteria used in genetic engineering?

Although the two theories differ on the evolutionary path of dinosaurs, they agree that

Texas has an impending storm, and california is experiencing a water crisis. match the technologies with the state that can use them to reduce the effects eddies natural hazards. texas is the storm cellar and the wood that is crisscrossed. california is the dam and the storage tanks

What best explains the inability for life to exist in earth early atmosphere