31.   Greenfield was behaving like an irresponsible idiot.

32.   Under certain conditions, electrons can behave like waves rather than particles.

33.   Their bodies were mature, but they still behaved like children.

34.   He behaves like a child!

35.   The shod-wave infrared that lies closest to the red end of the visible spectrum behaves like visible light.

36.   When the molar mass is too low to produce sufficient entanglement, the material will flow more readily and behave like a viscous liquid.

37.   The polymer then behaves like a stiff spring storing all the available energy in stretching as potential energy, when work is performed on it.

38.   Finally when molecular motion increases to a sufficiently high level, all the chains behave like weak springs the whole time.

39.   Each sub-unit is assumed to behave like an entropy spring and is expected to be large enough to realize a Gaussian distribution of segments.

40.   There are quite a few species where the sex roles have become reversed and where males behave like females and females behave like males.