In an electromagnetic wave , an electric field exists perpendicular to a magnetic field, and both fields are perpendicular to the direction of travel of the wave. These characteristics indicate that an electromagnetic wave is which of the following wave types? A: gravitational
B: longitudinal
C: mechanical
D: transverse

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.