The nurse is providing teaching to a patient about the management of migraine headaches. what instruction should be provided to the patient to assist with relief of a migraine headache?

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.

The carrier molecules of the electron transport system are located in the