What conditions prevent trees from growing in the tundra?

From which region was japan most positively influenced throughout its industrial development

Explain the history of the discovery of Saturn's rings through the year 2006.

Fish are considered a renewable resource. However, some scientists believe that Earth's oceans are running out of economically valuable fish. What is the most likely reason for this?

Using complete sentences, explain the differences between a command economy and a market economy. What type of economic system is created when these two systems are combined? What are the benefits of combining these two systems?

Which of these components of a cell functions like the bones and muscles in the human body? A. chloroplasts B. ribosomes C. cytoskeleton D. cytoplasm

Are the two plates along the coast South America probably a divergent boundary or a convergent boundary?

Why did Galileo's observations of moons orbiting Jupiter disagree with the theory of the universe accepted up to that time in history?

Which of the following is an example of an artifact? a. bones b. fossils c. rock layers d. pottery

Which ocean borders the United States on the east and contains resources such as natural gas and petroleum? A. the Atlantic Ocean B. the Pacific Ocean C. the Arctic Ocean D. the Indian Ocean

What causes the long days and nights above the artic circle A: The tilt of Mars' axis accounts for the long days and nights. B; The tilt of the sun's axis accounts for the long days and nights.