Was Crocodile stronger at Marineford? Or was he holding back in Alabasta?

 During the Alabasta arc, Crocodile displayed a level of power that was initially considered overwhelming by the Straw Hat Pirates. He possessed the Logia-type Devil Fruit called the Suna Suna no Mi (Sand-Sand Fruit), which granted him the ability to control and transform into sand. He had a reputation as a Shichibukai and controlled the desert kingdom of Alabasta from the shadows. His strength was showcased through his battles with Luffy and others. At Marineford, Crocodile was present as part of the war that took place at Marine Headquarters. While he did participate in the battle, he didn't display the same level of dominance as some other powerful characters present. This has led fans to speculate that he might not have been as strong as initially portrayed in Alabasta. It's important to note that power scaling and character abilities can be subject to interpretation and development by the author. Oda often keeps details deliberately open-ended to keep the story intriguing.

Is nuclear power safe? What are the risks associated with nuclear accidents?

 Nuclear power has the potential to be a safe and reliable source of electricity, but like any technology, it also carries some risks. The most significant risk associated with nuclear power is the potential for a nuclear accident, which could have serious consequences for public health and the environment.

Some of the risks associated with nuclear accidents include:

Radioactive contamination: Nuclear accidents can release radioactive materials into the environment, which can be harmful to people and wildlife.

Health effects: Exposure to high levels of radiation can cause a range of health effects, including cancer, genetic mutations, and other illnesses.

Environmental damage: Nuclear accidents can have serious environmental consequences, including contamination of soil and water, which can have long-lasting effects on the ecosystem.

Economic impact: Nuclear accidents can also have significant economic consequences, including costs associated with cleanup and compensation for damages.

Overall, while nuclear power has the potential to be a safe and reliable source of electricity, it is important to carefully manage the risks associated with nuclear accidents to ensure the safety of the public and the environment.