A gerund is a verb changed into a noun by adding 'ing' to the end of the word.
So your answer is B. Jogging
Hope this helps. :)
Answer:
1. The recent floods left the rural town in complete devastation.
2. An easy way to save water is to ensure there are no leaking.
3. In an ideal world, everyone would have access to clean drinking water.
4. It's only a matter of time before we use up the Earth's resources.
5. The town's water supply was very low after two years of drought.
6. The water supply was contaminated and residents were told to drink bottled water.
Hope this helped.