Question

as the viking settlement grew, the ecosystem of greenland could not endure the pressure of so many humans. what was one reason the ecosystem was so fragile? the temperature was too warm to sustain crops. the forests were too thick and had to be harvested. the growing season was so short the land could not recover quickly. the land was too large to be farmed sustainably.

Explanation:

Greenland's cold climate results in a short growing season. This limits the ecosystem's ability to recover from human pressures like farming and grazing, making it fragile.

Answer:

C. The growing season was so short the land could not recover quickly.