How much salt can be obtained from 314g of seawater?

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.

What human activity increases beach erosion?

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?