I believe its D. It becomes more difficult for the cell to get enough oxygen and nutrients.
They are all part of the Carbon cycle
The answer that would best complete the given statement above would be this: Cropland and rangeland. <span>The vast grasslands that once covered the middle of North America have mainly been replaced by cropland and rangeland. Hope this answers your question. Have a great day ahead!</span>
3 two-digit primes. 17, 53, and 71
Hope this helps !!
The answer is statement number 2
