There is a spot on the retina commonly called the “blind spot.” the blind spot exists because

The correct answers - there are no photo-receptor in this spot and therefore no image detection.

Explanation:

Blindspot is a small part or region of the visual field of eyes on the retina which is also known as the optic disk or optic nerve head. In this portion, there is no rods or cones present which is photoreceptors that detect the image in the retina.

Blindspot is the region where the nerve fiber moves out from the back of the eye. Blindspot term is called a blind spot as it does not detect any image in this spot or portion of the retina.

Thus, the correct answer is - there are no photo-receptor in this spot and therefore no image detection.

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.