How does sunlight contribute to the development of melanoma

It can damage the DNA in skin cells.

Explanation:

For example, ultraviolet (UV) rays are clearly a major cause of melanoma. UV rays can damage the DNA in skin cells. Sometimes this damage affects certain genes that control how the cells grow and divide. If these genes no longer work properly, the affected cells may become cancer cells.

the technology changed agriculture in an impacting manner since many people left the field work by a cellular or other technological appliances

answer; biological;