What do most scientists now think causes the planet's crustal plates to move thus causing earthquakes and volcanoes to occur?

Identifica pe harta vulcanii catopaxi si llullaillaco analizeaza semnele conventionale si indica tipul acestor vulcani

What is the "great pacific garbage patch"? (a) a large area of marine debris concentrated by rotating ocean currents (b) a large area around the pacific rim where debris collects from natural disasters such as tsunamis (c) an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability (d) a large trash dump located in hawaii

Which city area has the most accessible oil reserves a) caspian sea b) siberia c)arctic coast d)lake baikal