How did airports encourage city growth ?
a. they promoted the building of hotels, restaurants, services and rapid transit to accommodate travelers
b. they are so big and require so much land that they need a larger population to be sustained
c. they limit the effects of gridlock and make travel more pleasantd. they were responsible for transporting over 13 billion tons of materials

What type of aid does nigeria receive? short term, tied, voluntary, bilateral, multilateral or long-term?

70 pts answer the following questions in full sentences and paragraphs, using at least 150 words, in the essay box below. 1. which organisms are carnivores? herbivores? omnivores? 2. if the ecosystem is balanced, which populations should be the largest? the smallest? 3. imagine a group of hunters kills half of the rabbit population. how will the other organisms be affected? 4. imagine disease kills 85 percent of the wolf population. how will the other organisms be affected? 5. imagine a foreign mountain lion species is introduced into the ecosystem. how will the other organisms be affected?

How does rain water cause erosion and deposition? a. when acidic water soaks into the ground, water dissolves limestone, resulting in the formation of caves.b. when a river overflows it moves downhill resulting in the formation of caves.c. when it rains, water flows into rivers and streams and moves back to land, resulting in the formation of caves.d. when water empties into lakes, sediment is deposited, resulting in formation of caves.