That would be Sternum as it is also called the "breastbone".
Because at any time, you can find cells that are undergoing mitosis.
Prokaryotes are cells and eukaryotes are organisms
After 20 years a resorted wetland can contain approx. 80% of plant biomass of a natural wetland.
Wetlands are one of the most endangered ecosystems in the world according to the UN and restoration is the only way to save these habitats.
The fact that restored wetlands can contain up to 80% of plant biomass shows how successful restoration programs can be.
The answer is, How fast distant galaxies are moving away from us
