How are magnetic field line
models helpful?

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.

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3