Answer: the main purpouse of physical maps usually show the most important political boundaries, such as state and country boundaries. So, this is true.
Explanation:
Answer:
, 
Explanation:
The total water level lost due to evaporation is directly proportional to the number of day. That is:

Where
is the proportionality constant, which is equal to
. The expression is:

And the total change in water level after 30 days is:


I think the correct answer from the choices listed above is the last option. Environmental geography bridges physical and human geography. Environmental geography is an aspect of geography that delves into the relationship, including the social, economic and spatial interconnections, between people and their environments.<span> </span>