When emma is feeling sad or stressed, she sleeps with the teddy bear she received as a child. which defense mechanism is emma employing?

Why should seat belts not be mandatory quick plz

True or false graphs must include scales that increase by the same amount

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3