Which type of mine involves digging tunnels and shafts deep underground? question 19 options: 1) strip mine 2) openpit mine 3) subsurface mine 4) smelting

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

Asystematic approach to problem solving is called a (an)

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.