Answer Questions 2.3.
2.3 Devise hypothesis to account for the following observations,
and design an experiment or suggest further observations to test
your hypothesis.
More automobile accidents occur at dusk than at any other time
of day
When glass tumblers are washed in hot soapsuds and then
immediately transferred face downward onto a cool, flat surface,
bubbles at first appear on the outside rim, expanding outward. In a
few seconds they reverse, go under the rim, and expand inside the...