Hachure lines would most likely be drawn on a topographic map to indicate a
a. cliff
b. crater
c. hillside
d. mountain peak

Using complete sentences, describe the central economic problem facing all humans. why does this require people to make choices? how can this result in opportunity costs?

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

What are two australian geographical features that hindered early exploration? western plateau gulf of carpentaria great barrier reef great dividing range