The sensitive dependence upon initial conditions of the evolution ...

[KWilfred]

The sensitive dependence upon initial conditions of the evolution of some physical systems is a feature of __________.
 Fill in the blank(s) with correct word

Question 2

Which is one reason why gravitational waves have proved so hard to detect?
 a. They probably have infinitesimally small wavelengths.
  b. The strength of gravity is a tiny fraction of the strength of the electromagnetic force.
  c. They would travel from many light years away at a very small fraction of the speed of light.
  d. Their wavelengths would be infinitesimally small compared with the distance through space that they travel.
  e. They are probably so different from other kinds of waves that it is difficult to theorize about how to detect them.

[ndhahbi]

Answer to Question 1

dynamical chaos

Answer to Question 2

b

[KWilfred]

Excellent

[bbburns21]

TYSM