The asthenosphere is the part of the upper mantle just below the lithosphere that os involved in the plate tectonic movement anf isostatic adjustments during as the ice age

The correct answer is "hydrogen".

The atomic nucleus made up from protons (yellow) and neutrons (blue) and held together by nuclear forces. nuclear forces (also known as nuclear interactions or strong forces) are the forces that act between two or more nucleons. they bind protons and neutrons (“nucleons”) into atomic

Putting salt in vinegar water