These 7 natural wonders of the world include the Northern Lights, the Grand Canyon, Paricutin, Mount Everest, Harbor of Rio de Janeiro, Victoria Falls, and the Great Barrier Reef.
The answer is A. <span> yes because removing the grape vines means the soil will be moved down slope</span>
Explanation:
Germany's condition of reduction of population is because of pandemic effect on global recolation.
Positive:There would not be much pandemics, diseases,& so on.
Negative: There would be an effect on economy, there'll be few or less workers,so on.(This would be a larger effect than the positives of course)
One reason of undergrowth is of jobless rate & bare utilisation anticipation.

I think this is the answer.
<span> D. Cutting down of the rainforest</span>