In aquatic plants, water passes among the tissues and provides the medium for gas exchange. In terrestrial plants, air enters the tissues, and the gases diffuse into the moisture bathing the internal cells.
Hope this helps
Your body through the cells
On average 30 feet or 9 meters
The answer would be D being those are all learned or earned attributes.
The animals who live in those habitats have adjusted to the local temperature so changing the climate drastically, may upset the living organisms there:)