Companies are burning coal through combustion to produce electricity. the amount of electrical energy produced is less than the amount of stored potential energy found in coal. which best explains this observation?

What group has historically made up the largest portion of immigrants in mexico?

Which ofbthe following is a characteristic shared by both brazil and mexico

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)