Either is fine. It depends on the situation.
------
Re is the chemical symbol of rhenium.
The affix element of "recession" is the prefix "re-" which means "again" or "back."
Re-cultivation of crops involves preparing land that has been previously used for cultivation to be suitable for growing crops again. This process may include activities such as clearing existing vegetation, adding fertilizers or soil amendments, and implementing proper irrigation methods to restore the fertility and productivity of the soil for planting new crops.
When a spacecraft re-enters Earth's atmosphere, the kinetic energy from its high speed is converted into heat energy due to air resistance. This process causes the spacecraft to heat up and create a fiery trail as it descends. The heat shield protects the spacecraft from burning up completely during re-entry.
Re is a prefix, able is a suffix, and the root is new.
Carbon dioxide mainly has an effect on longwave radiation. It absorbs longwave radiation and re-radiates it, some of it back downwards. This means carbon dioxide increases the amount of radiation going back down to the surface, and the surface has to warm up to compensate.
re-implement
re-assign
re x-ray
Rethink
I dont't know a pyramid of Ra (Re is not so correct).
Ra (Re is not so correct) is the ancient Egyptian god of the sun.
re-energize
Create as always. Re can be re or rii. I don't think there is a distinction in meaning; it depends on your accent.
The correct prefix for "supply" is "re-".
re-emergence
Reopen.
Both "reassign" and "re-assign" are commonly used in English, but "reassign" is generally preferred over "re-assign" as it is considered more concise and clear.