What is the name of the brainstem sensory area that contains axons that project to the cerebral cortex to arouse us from sleep

The energy needs of a human population are not affected by

What element is able to combine with itself and hydrogen to form large molecules ?

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.