<span>
24. They supply cells with nitrogen.
25. Cellulose
26. Protein
27. </span><span>They help bring about chemical reactions.
28. </span><span>hydrogen bonds
29. </span><span>starch
30. </span><span>It has all nine of the essential amino acids.</span>
The big yellow thing in the sky
Answer: Erosion is the process by which natural forces move weathered rock and soil from one place to another. Gravity, running water, glaciers, waves, and wind all cause erosion. Deposition begins when erosion stops; the moving particles fall out of the water or wind and settle on a new surface.
Y = m x + b
m = slope
b = y-intercept
Therefore, the answer is C. <span>The slope is –4 and the y-intercept is 2.</span>