A rock that makes up the core of the continents is a what?

What is a compass? how does it work

Which of the following is evidence to the past existence of glaciers?

Venezuela’s economy relies most heavily on which of the followingvenezuela’s economy relies most heavily on which of the following? a. oil reserves in places such as the eastern llanos b. cattle ranching in the grasslands c. fertile farmland in the andean highlands d. coffee plantations in mountainous areas