Answer: Nitrogen fixation in soil is important for agriculture because even though dry atmospheric air is 78% nitrogen, it is not the nitrogen that plants can consume right away. Its saturation in a digestible form is a necessary condition for crop health. ... It is possible thanks to nitrogen-fixing organisms and crops.
Explanation:
Irrigation machinery has QUADRUPLED the amount of irrigated land in the US.
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Answer:
thrue bap in spring season
Explanation:
<u>Answer</u>:
<em>Topographic maps are plan-see portrayals of Earth's three-dimensional surface. They are a standard kind of guide see that gives an overhead, or elevated, point of view. </em>
<u>Explanation</u>:
Among the characterizing <em>highlights of a topographic guide are the form lines that demonstrate areas of consistent height.</em>
The height interim between the shape lines is subject to the degree of detail gave by the <em>guide and the sort of geology present. </em>
For instance, areas with critical topographic variety may require shape lines isolated by 40-100 ft., <em>though by and large level lying districts with minimal topographic variety may have all the more comprehensively isolated 10-20 ft. forms.</em>
