If earth were not tilted on its axis, what change would we experience? a) day length would be less than 24 hours. b) both sides of the moon would be visible. c) temperatures would be constant year round. d) the length of the year would be more than 365 days.

An engineer decides to use a slightly weaker material rather than a stronger material, since she knows that the stronger material can break suddenly. this is an example of what? a choosing a material that will show warning before it fails b using composite materials that combine strength c using a material for multiple applications d using design techniques that increase efficiency and reduce cost