Permafrost is a layer of soil that remains frozen throughout the year. A. An area with black spruce trees usually show permafrost. And white spruce trees with no permafrost.
It's 3...
First you add 3 to both sides.(1/3x^2=3)
Then multiply both sides by 3. (x^2=9)
Then take the square root of both sides. (x=+-3)
Finally since it is asking for the positive solution, you can remove the negative sign and so the answer is 3.
Answer:
Clouds form when moist, warm rising air cools and expands in the atmosphere. The water vapor in the air condenses to form tiny water droplets which combine to form clouds.
C. CO<span>2 and other greenhouse gases slowing the escape of heat from earth. </span>
The answer is a. partial freezing.
