The uppermost part of a soil profile is also called the organic layer which is enriched in organic materials. Hence, the region with the greatest concentration of organic material is the Top layer(A)
- The Upper layer of a soil profile consists of materials such as <em>plant roots, bacteria and fungi</em> which constitutes it's richness in organic materials.
- These layer is usually very dark and plants derive a lot of nutrient ’s required for growth here.
Hence, the top layer has the greatest concentration of organic materials.
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The smallest angle of rotational symmetry that maps a regular octagon onto itself would be 45°.
360/8 = 45
Answer:
C. to serve in the military
Explanation:
It is not a obligation of citizens. Hope this helps! Please mark as brainiest!
The line equation : y=8x-26
<h3>Further e
xplanation</h3>
Given
The points (3, -2) and (4, 6)
Required
Line equation
Solution
General formula
y-y1 = m(x-x1)
or
y = mx + c
Where
m = straight-line gradient which is the slope of the line
x1, y1 = the Cartesian coordinate that is crossed by the line
c = constant
The formula for a gradient (m) between 2 points in a line
m = Δy / Δx
Input given values in formula :
(3, -2⇒)x1, y1
(4, 6)⇒x2, y2

The answer is <span>continental tropical. The </span>type of air mass most likely located over atlanta, georgia is the continental tropical. <span>The air has low dewpoints and warm to hot afternoon temperatures but with mild nighttime temperature.</span>