<span>im only sure about 1
4)an illness due to a pathogen that usually affects people with a weakened immune system
</span>with viral load
Answer:
RADON GAS
Explanation:
This is the main source of indoor radon. It flows through the air, ground and surface water. It primarily finds it's way through the soil into buildings and into water supplies. Once it escapes from soil, it discharges from emission stacks into the air.
The answer would be The World Health Organisation
Chemical contaminants are chemicals toxic to plants and animals in waterways. The phrase 'chemical contamination' is used to indicate situations where chemicals are either present where they shouldn't be, or are at higher concentrations than they would naturally have occurred.
Answer:
d
Explanation:
"Sometimes I do stupid things." matches with his frequently said statement: "I'm stupid."