Answer: B) Higher.
During most of the earth's history, global sea levels have been higher than they are today. It may be up to 50 - 100 meters higher than the present. Every year 8 millimeter of water from the ocean falls into Antarctica and Greenland ice sheets as snowfall.
A) Incorrect hybrid cars would have positive effect
B) Correct taking long showers runs up bill payment and is not good
C) Incorrect Walking and biking helps maintain or keep a healthy body
D) Incorrect Recycling helps the community
Answer is B taking long showers
Species revolve during adaptive radiation in order to fill different niches.