Answer
16
or 50.24 units
Explanation:

and r is the radius, since we know what the radius is (<em>r </em>) we can put this in to an expression
· 4² = 16 units
If the answer is not 16 then its 50.24 units
Explanation:
Now 16 is the correct answer but just in case I took this a step further.
If we estimate the area by using 3.14 which is (
) because sometimes that isn't natural to express the area using
I hope I helped you : )
Plant leaves and dead organic matter are broken down by decomposers,to produce soil nutrients for plants. This is an important role decomposers play in the nutrient cycles.
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<span>The continental crust is the layer of granitic, sedimentary and metamorphic rocks which form the continents and the areas of shallow seabed close to their shores,known as continental shelves. It is less dense than the material of the Earth's mantle and thus "floats" on top of it.
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Answer:
polar region
High latitudes are dominated by floating sea ice covering much of the Arctic ocean in the north, and by the Antarctic ice sheet on the continent of Antarctica in the South.
The ocean floor or seabed can be divided into three major regions: the continental margins, abyssal plains, and mid-ocean ridges.