Afertilizer that is made of substances normally found in an environment cannot be a pollutant.

true
false

I would say true because you are not adding any environmental hazardous chemicals to it.

False, it can still be a pollutant. Fertilizer run off into water, even if the fertilizer if made of natural substances can still pollute the water. It can make pants in the water grow more than usual harming the fish. 

1. when the tempature rises,your sweat glands and then springs into action making perspiration. some sweat evaporates with your skin taling heat with it.2.some of the blood pumped by the heart travels by your lungs to get rid of carbon dioxide and pick up oxygen.3.saliva produces by, you drinking water which saliva is 98% of. when mucus builds up in your body it also creates saliva as well as, antibacterial compunds.4.when the core body tempature drops, the shivering reflex is triggered to maintain homeostasis. for example: when you get out the pool you start to shiver because it is cold.