The strength of an acid and a what is determined by how completely they dissociate in water

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.

How do living things obtain phosphorus

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel