Earth has approximately 600,000,000 meters of coastline. if we assume this entire length of coastline has sandy beaches 60 meters wide and 20 meters deep how many cubic meters of sand are on the beaches?

Tolerance to high levels of salinity

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

In any atom of any element, you will find protons and neutrons in the nucleus of any atom