Bcc & fcc crystal structures (a) show that the apf for the bcc crystal structure is 0.68. (b) show that the apf for the fcc crystal structure is 0.74. (c) explain the decrease in volume of 8.1% as iron undergoes a phase transition from a bcc structure to an fcc structure at 912 °c

Drug abuse will not lead to physical and psychological dependence. true or false ?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5hz a 250 m b 0.1 m c 10m d 0.01 m