Please hel The forest is represented by a 5 x 5 grid.
Year 1: There are a total of 4,500 trees in your forest and no deforestation. Figure out how many trees represent each block.
Year 5: 1,080 trees were deforested.
Year 10: An additional 1,980 trees were deforested.

one would be wind another would be water density

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .