Afitness trainer who is giving a presentation on weight training

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

Aperson is outside exercising. body temperature begins to rise, and the person starts to sweat. their body temperature then returns to normal, and the body stops sweating. a positive b negative c allosteric d homeopathic

What is the ecological role of food chains and food webs