The eiffel tower is made of iron and is about 300 m tall. due to thermal expansion, its height changes between winter and summer. estimate the height change the tower undergoes if the difference in temperature between the seasons is 23º c. enter your answer in meters but do not include units. provide your answer to the hundredths place.

Which statement correctly describes the relationship between frequency and wavelength?

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.