Answer:
The elevation, or height, of each point above the lake is shown by the contour lines on the landscape below. 1. Suppose it rained for a while, and the lake level rose up 5 meters. [The house would be safe because the water would rise up to the 5 m line.]
Answer:
245.75 km/sec
Explanation:
We have given distance as 8 kilo parsec
We know that 
So 8 kilo parsec =8×3.086×
km=2.469×
km
We know that circumference = 2×Π×R
So circumference =2×3.14×2.469×
= 15.50×
km
We know that 
We have given time =2×
year
=2
×365×24×60×60 sec
So 
Considerations regarding how people move about city centers and densely populated areas are part of a process called as <u>high density community efficiency</u>
Answer: Option B
<u>Explanation:</u>
High density shows how concentrated or compact a particular thing is. High density places are crowded places. How people move about in densely populated areas is a part of a process known as high density community efficiency where the places are very crowded and are packed.
Places with high density have population which are higher than the population density. The high density zones consist of one to ten and above dwelling units per acre.
The ground-level ozone is a harmful air pollutant that can be a danger to one's health. It is commonly created by chemical between oxides and nitrogen. Similar to ground-level ozone, smog can also be a danger to one's health, especially to the lungs. It is a mixed smoke and fog.