Answer: melanin
Explanation: Further, other cells contribute to the function of the epidermis. Melanocytes are cells that produce melanin, a compound involved in skin pigmentation produced in response to ultraviolet (UV) light exposure (6). Melanin can absorb energy from UV light to shield underlying tissues from damage.
The answers are; A & B
Intuitively as it sounds, cyclic change is the change that recurs over a particular period of time. Seasons recur every year in specific regions on earth. In addition, receeding and expanding of ice caps also occur based on seasons. These two are examples of cyclic changes.
No, because the colder the temperature is, the less water that can exist in an area. The cold air you feel is dry air, therefore humidity most likely won't exist in freezing temperatures. Have a beuatiful day