Which of the following indicates a permafrost free area? A. The existence of black spruce trees B. A north-facing slope C. A south-facing slope D. The existence of white birch or white spruce trees

The two sleds shown below are about to collide. When they collide, they bounce off each other and no energy is lost. The kinetic energy of sled A is 39,561 J just after the collision.

Why does the thermosphere have the highest temperature of all the atmosphere layers answers?

What do they call the story of the universe?

What is the full form of IST?

18. Describe how has tourism has affected the environment of Washington. Has the effect been negative or positive? Explain your answer.

A boy wins a trip. The first thing he notices when he arrives is the cold temperatures and the thick coniferous forests. It snows during his visit. The area averages 35cm to 100 cm of precipitation per year.

If an Earthquake registered high on the Richter scale and low on the Mercalli scale, then it occurred most likely in which type of location?

What is the name of the largest lake in central america?

Although there are no glacier in florida, how have glaciers affected Florida?

The highest percentage of Australia's forests are A) Acacia B) Rainforest C) Eucalypt