Which of the two countries (Sudan or South Sudan) is landlocked, and what impact would this have on the people?

Ummm, its difficult to travel via boat, it might be harder to import goods

Explanation:

within these regions are all the major types of biomes in the world. a biome is a community of animals and plants spreading over an extensive area with a relatively uniform climate. some diverse biomes represented in north america include desert, grassland, tundra, and coral reefs.

which elements do geologists measure to determine the age of an organism’s remains? check all that apply.

carbon-14

nitrogen

carbon-12