Answer:
The general pattern in changes in the layers of soil with depth is called <u>Soil Horizon</u>
Explanation:
The layer of soil present parallel to the surface, having different chemical physical and biological properties from the layers that are present above and below it, is known as the soil horizon.
The difference in the properties of the layers of soil can be the texture of the soil, color of the soil, particle size of the soil etc.
Answer:
D. It completely removes any available topsoil.
Explanation:
Open pit mining strips off the top layer of the soil in order to access near surface mineral deposits. Most near surface deposits are usually rock aggregates, coal, copper etc.
In order, to access these minerals, large amount of earth must be removed by earth moving machines.
Open pit mining greatly unsettles the ecosystem in mining regions and it leaves the surface bare and not suitable for agricultural activities.
Answer:
hii all the below are biotic factors
Explanation:
biotic is a living factor while abiotic is a non-living factor.
all the options are examples of biotic factors but im not sure on rotting log and leaves cause tree is alive but rotting one? i guess yes its alive until its dead similarly the leave it was once a part of a living tree.
so i think that rotting log, dead leaves and bacteria are the correct answers
29-5x = 4
-4 + 5x -4 +5x
25 = 5x
Re-write as: 5x = 25
To solve for 'x', the price for each hot dog, divide out both side by 5, to get:
x = 5
So, $5.00/hot dog