This combination in non polar.
A metal that would be magnetic is nickel
Ok,
The angle of reflection is D as the ray is bounced off the mirror.
The angle of refraction is E since the ray is refracted and changes speed.
The normal line is G.
The incident ray is H.
The boundary is I.
Hope this helps :).
It is used when a slope is too steep or when there is no alternative method of preventing soil erosion. The most common crop<span> choices for </span>strip cropping<span> are closely sown crops such as hay, wheat, or other forages which are alternated with</span>strips<span> of row crops, such as corn, soybeans, cotton, or sugar beets.</span>