Answer:
C
Explanation:
There are two kinds of water, fresh and salt water. Salt water is found in the ocean, which means that any answer with salt water, or the ocean, in it is not a correct source of freshwater. A, B, and D, all include the ocean as their answer, which means that they all include salt water, so C is the only option left. Lakes, rivers, water vapor, and ice sheets are all examples of sources of freshwater. I hope your sister gets a good grade!
Answer:
C. Using the scientific method
I think that this is something you should, as the assignment states, "conduct independent research". meaning, this is something you have to do AT LEAST 90% yourself. my suggestion: start by googling 'yellowstone eruption' and go from there. I just don't want you to be in trouble with your teacher because you plagarizing.
Your speed would have been encreased because you are able to get to the distance quicker in less time.
Generally, you can calculate it with this formula: df = (r-1)(c-1) where r is the number of rows and c is the number of columns.
