Topographic maps use contour lines to show elevation.
Topographic maps, often called "topo maps," feature contour lines to portray the shape and elevation of the land.
Contour lines (lines of equal elevation) that are close together indicate steep terrain, while lines that are far apart indicate flat terrain.
Such maps also usually portray both natural and artificial features. They show and name natural land formations such as mountains, valleys, plains, lakes, rivers and vegetation. They also identify particular man made features such as roads, boundaries, transmission lines and major buildings.
The reason why the Midwestern United States have a very fertile soil, but Canada doesn't, despite both of them being covered by glaciers until relatively recently, and both having the same age of soil, is the climate and vegetation.
Canada is much colder than the Midwest, its winters are longer, and the summers mild, while the Midwest has higher temperatures, prolonged period of drought, and seasonal rainfall.
Because of this, Canada has been covered by coniferous forests. They leave relatively little biomass, and also the climate is making the decomposition of the biomass very slow, thus resulting in relatively poor soil quality.
In the Midwest, the climate is perfect for the development of the grasslands. The grasses grown and die each year. They live a lot of biomass, and the higher temperatures contribute that the biomass decomposes pretty quickly, thus resulting in good quality soil.
The Earth's geosphere is made up of iron, oxygen, magnesium, and silicon. All of these elements are chalcogens, or chemical elements.
Answer:
I think it's C, but I'm not a 100% sure,
so if you could.. please correct me if I'm wrong.
Explanation:
Hope you have a good day! :)
Answer:
107.3g
Explanation:Density = Mass/Volume
There are two methods either by taking the above formula and inserting the values or by using Mass = Denstiy*Volume
Here I have showed you both the ways:
1st
As Desnity is 21.46g/cm^3
Volume = 5cm^3
Let m be mass
21.46g/cm^3=m/5cm^3
Cross multiplication takes place here
21.46*5=m
107.3 =m
Therefore, mass of platinum = 107.3g
2nd
Mass = Denstiy*Volume
Density = 21.46g/cm^3
Volume = 5cm^3
m=21.46g/cm^3* 5g/cm^3
m= 107.3g
