How is water used in the environmet

Water for the ecosystem is at the heart of a wide variety of programs and results across the province. Water is carried by healthy rivers to homes, farms, schools, and industries. They nourish whole habitats and provide critical shelter for native plants and animals along the way.

Explanation:

prokaryotic cells do not have a nucleus in which the dna is stored in, it floats freely inside the cell.

eukaryote cells do have a nucleus in which the dna is stored in.

i'd say that the moon rock is about 2.2 billion years old.