1) Reflection from a surface is called diffused reflection. ( smooth/ rough) 2) Size of the shadow depending on the distance between the object and screen.

Concept: Properties of Physical Elements

no the answer is c only objects touching the earth's surface can be acted upon by an outside force

answer: ‘no one should be discriminated against because he or she is not from a minority group’

because—> affirmative action means ‘a policy or program that provides opportunities for traditionally disadvantaged groups to them overcome the effects of discrimination’