An astronomer who wishes to photograph the light spectrum would use a: spectrograph radio telescope refracting telescope reflecting telescope

The image shows embryos of three vertebrate classes

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

The fauces connects which of th following structures to the oropharynx