Which substance is a compund a.) li b.) n2 c.) h2 d.) co2atoms of what two elemts are in a every organic compound  a.) calicum and heliumb.) carbon and oxygenc.) cobalt and hydrogen   d.) carbon and hydrogen

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.

Type the letter that represents the correct location for each particle type below.

How have the greenhouse gasses increased from the year 2000 to 2018