Moving a spring toy up and down will create what kind of disturbance? parallel to the wave motion

in a circular motion

in the same direction as the wave motion

perpedicular to the wave motion

The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.

Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.

Which component of the earth’s atmosphere is decreased due to photosynthesis?