The order of elements in the periodic table is based on the atomic number. true or false

Salt in oceans comes from and of rocks

Which of the following molecules is polar? c3h7oh c2h5cooh

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