The main difference is that there is not a significant reservoir of phosphorous in the atmosphere, while both nitrogen and carbon are found in large amounts in the atmosphere.
The answer should be pumice
Given that a directional hypothesis is a prediction made by a researcher regarding a positive or negative change, relationship, or difference between two variables of a population, a two-tailed test is the perfect tool to validate it because a two-tailed test is designed to examine both sides of a specified data range.
So the final answer to this question is:
True.
I'm no dure but i think you are tring to ask for x 5x+2miles 25x-8 miles long
Answer:
you should know you are in an AP class for a reason dude
Explanation: