Being unable to play tennis due to extreme heat is an example of an ?

Why do farmer's kill animals in a mean way, don't farmer's have feeling's?

Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes a. provide the melanocyte with a protective shield against abrasion b. maintain the appropriate temperature so the product of the melanocyte will not denature c. maintain the appropriate ph in order for the melanocyte to synthesize melanin granules d. accumulate the melanin granules on their superficial portion, forming a uv-blocking pigment layer

Exercise equipment compensates for acting irresponsibly are disregarding the rules of physical activity