Tectonic plates are present on the earth's surface because
the lithosphere is weak and cracked in several places
the core is so hot that it created cracks in the crust
the hot asthenosphere created cracks in the lithosphere
the earth was originally formed with cracks in its lithosphere

¿cual es mas alta en baja california,la migracion o la inmigracion?

Astate's representation in the u.s. senate is based on a) equal representation. b) the state's population. c) the state's electoral votes. d) the size of their major cities.this independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren cthis independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren commission (wc) b) federal election commission (fec) c) equal opportunity commission (eoc) d) securities and exchange commission (sec)

The action of eventually a low island to form. a. wind b. waves c. volcanoes d. tectonic plates