Natasha was learning about physical features that serve as natural boundaries between continents. One of the boundaries that she read about was a low-rising mountain range that was rich in natural resources. What is the name of this physical boundary?

How is government in the united states like that of ancient athens?

Which of the following statements best describes the concept behind labor unions?

For 50 points populations within ecosystems can be separated into categories—producers, consumers, and decomposers. these categories represent a. the fossil records of organisms. b. the reproductive methods of organisms. c. the body plans of organisms. d. the functions that organisms serve.