<span>When
the water level of a stream or river exceeds its natural banks, it has reached
its flood stage. This is a real panic stage for people living nearby the rivers
and streams that has overflowed its natural banks. This flood situation can
destroy any city or village and also drastically impact the financial situation
of the area. Most cities and states move their citizens away from the river
banks before it reaches this danger stage. Before the emergence of
technological advancement, historical evidence proves that many great cities
were destroyed due to such situations. <span /></span>
Answer:
Which of the following countries has the lowest arithmetic density?
Canada.
<em>Arithmetic density means the number of inhabitants per unit of measurement. </em>
The lowest arithmetic density is in Canada because:
- <em>it has large areas of boreal forest (conifers).
</em>
- <em>there are very low temperatures and an unfavorable climate is present (especially in the northern part of Canada).</em>
Answer:

Explanation:
Angle of depression = 
b = Height of building = 42 feet

p = Distance from the car to the base of the building
From the trigonometric identities we get

The distance from the car to the base of the building is
.