Jeremiah is using models to test how much erosion occurs for different types of ground cover. He covers four different slanted boards with sand, pebbles, grass, or solid marble. He will measure how much material is washed off of each board when the water is turned on for two minutes. Which model should he predict will show the greatest amount of erosion?

The ideas of hammond are most clearly an example of which of the following mid-19th century developments? (5 points) the increasingly liberal nature of slavery after the south enforced stronger slave codes the growing use by northern antislavery activists of moral arguments the increasing number of freed slaves in southern states as a result of gradual emancipation laws the growing tendency of southern slaveholders to use the paternal ethos to justify slavery

Black death spread because of what problem in medieval europe? which one is it i need the answer quick . a- overcrowded cities b-too many farm animals c-not enough qualified doctors d-all of the above

What agreement did britain and the united states make in the treaty of 1818