6.a ray of lights is travelling in grass reaches a boundary with air and split into two arrays as shown

a. it has been partially internally reflected

b. it has been partially internally refracted.

c. it has been totally internally reflected.

d. it has been totally internally refracted.

The answer for this problem is a, it has been partially internally reflected

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.