<em> </em><em>It should be Cataracts that block</em>
<em>transmission of light into the eye(A)</em>
Explanation: It should be A because Cataracts can affect your color vision it makes some of the hues a little faded and it makes it into a different color.
Let me know if this helps
75km/hr due east
Explanation:
The velocity of the train will be 75km/hr due east.
- Velocity is given as the rate of change of displacement with time.
Velocity = 
- Velocity is a vector quantity that has both magnitude and directions.
- It is different from speed because it has the directional attribute.
- From the given data, we know that the train is moving at 75km per hour. This is the speed of the train.
- If we incorporate the direction then we have its velocity.
Learn more:
Velocity brainly.com/question/10962624
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