Einsteins general theory of - describes the relationship between energy and matter, and is major event in the history
of science.

Answer mechanical energy;

The sunlight shines uv radiation on earth,a microwave oven radiates waves on food

Hello,the answers iron,  hope this

Jenny and fred both play a long note on their trombones. a stationary observer hears the sound increasing and decreasing repeatedly in loudness. which of these must be true? the sound waves from the two trombones have slightly different frequencies.the sound waves from the two trombones have the same frequency.the sound waves from the two trombones have slightly different amplitudes.the sound waves from the two trombones have the same wavelength.the sound waves from the two trombones have slightly different velocities.  lolthe answer is          the sound waves from the two trombones have slightly different frequencies.