X-rays have more energy than ultraviolet waves. What else is true about
X-rays?
O A. They have a shorter wavelength than
ultraviolet waves.
O B. They have a smaller amplitude than
ultraviolet waves.
C. They have a longer wavelength than
ultraviolet waves.
O D. They have a lower frequency than
ultraviolet waves.

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.