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.

What is the difference between hyper and hypo-thermal?

 Hyperthermal and hypothermic are terms that describe extreme variations in body temperature. Hyperthermal refers to a condition in which the body's temperature is elevated above the normal range, while hypothermic refers to a condition in which the body's temperature is below the normal range.

Hyperthermia occurs when the body's temperature regulating mechanisms fail to keep the body's temperature within the normal range. There are several different types of hyperthermia, including fever, heat stroke, and hyperthermia associated with certain medications or medical conditions. Hyperthermia can be serious and can lead to dehydration, muscle cramps, and other health problems if left untreated.

Hypothermia occurs when the body's temperature drops below the normal range, typically as a result of exposure to cold temperatures. Hypothermia can be serious and can lead to frostbite, hypoglycemia, and other health problems if left untreated.

Overall, hyperthermia and hypothermia are both conditions that can have serious consequences if left untreated, and it is important to take steps to maintain a normal body temperature in order to prevent these conditions from occurring.