Many igneous rocks form near volcanoes. what does the "viscosity" of the magma/lava refer to? what does this property control with regard to eruptions? 7. consider two sediment samples/sediment ary rocks. one is made of poorly sorted sediments, the other is well sorted. all other factors being consistent, which sample will have a higher porosity? why?

Use your vocabulary words to complete the sentences below. more of the world's population is now concentrated in heavily populated urban areas known as a this is quite a contrast from the past when or native groups were either farmers or — hunters and gatherers who moved between places in search of food. advanced technology has led to the integration of world economics and cultures, in the world's more developed countries. this integration requires , the responsible use and management of natural resources.

Distance that lewis and clark traveled from st. louis to ft. clatsop near the pacific ocean.

Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel