What is standard pressure in atmospheres?

a.10
b.1
c.5
d.2

When balancing a chemical equation:

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

Organisms are classified as producer or consumers according to the way they ?