Giordano Bruno, en el siglo XVI, planteó teorías cosmológicas que mejoraban lo propuesto por el modelo heliocéntrico de Nicolás Copérnico. En el siglo XVII, Galileo Galilei fue el primero que realizó observaciones de objetos imperceptibles a simple vista, describiendo unos extraños apéndices en Saturno, los que medio siglo más tarde fueron observados como anillos por Christiaan Huygens. Con la información proporcionada, es correcto inferir que

answer: the metamorphic rocks are formed when they are exposed to high pressure and high temperatures. this happens when one of the earth's plates comes in contact with the other plate by traveling in opposite directions, straight into each other or slipping under one another. the friction that is caused by this activity results in   melting of rocks and when it cools they are known as metamorphic rocks. this process needs a controlled amount of pressure and temperature otherwise it may turn into magma.

radial fractures in a piece of glass look most like which of the following?

a. spokes of a wheel

b. a circle

c. a zig zag

d. none of the above

the correct answer is a. spokes of a wheel

hope this (: