Majority of an atoms mass comes for protons and neutrons which makes up the nucleus.
The molar concentration of a solution, usually expressed as the number of moles of solute per liter of solution.
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in the air and soil
in drinking water
on and inside the human body
Explanation: Hope that helps
It is A. Barium
Explanation: I did that already
Answer: Hydrosphere, discontinuous layer of water at or near Earth's surface. It includes all liquid and frozen surface waters, groundwater held in soil and rock, and atmospheric water vapour. Earth's environmental spheresEarth's environment includes the atmosphere, the hydrosphere, the lithosphere, and the biosphere.
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