What does the model show? A. Two light waves vibrating parallel to the direction of travel of the
wave's energy
B. An electric field and a magnetic field vibrating parallel to the
direction of the wave's travel
C. Two light waves vibrating perpendicular to the direction of travel of
the wave's energy
D. An electric field and a magnetic field vibrating perpendicular to the
direction of the wave's travel

Gunpowder residue is most likely to show up where on a shooters hands

The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors