The correct option is D.
The most effective solution to the scenario given in the question, is to appoint professionals who will locate new phosphate rich areas on the land. This will allow the residents of the area to use that particular area for their agricultural activities.
Answer:
I guess B
Explanation:
Because it stop by it self so that is digital
Answer:30 cm
Explanation:
Given
object distance 
focal length of concave mirror 
height of object 
Using mirror formula




and magnification is



So height of object is same as of object .
Position :image is formed at the spot where object is placed.
Relative dating<span> and absolute </span>dating<span> are used to determine age of fossils and geologic features, but with </span>different<span> methods. </span>Relative dating<span> uses observation of location within rock layers, while absolute </span>dating<span> uses data from the decay of radioactive substances within an object.</span>