Pumice, obsidian, and scoria are kind of

As water is cooled from 4 c to 0 c its density

Which of the following is an example of relocation diffusion

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