Heyyy ik this isnt a dating site but is there any guy that would date a (12,13,14,) that could possibly date a 13 y/o girl

All of the following are part of the biosphere except

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw

The compound formed from 2 atoms of hydrogen and one atom of oxygen is