Answer:
1. Independant testing factor: the room temperature
Dependant testing factor: the quantity of sweat
Hypotheses: The fact that person sweats is due to the high room temperature, therefore the higer the temperature, the more a person would sweat when not moving around
2."How is the number of leaves of a plant affected by the increased level of carbon dioxide?"
Independant variable: number of leaves
Dependant variable: level of carbon dioxide
Hypothesys: The number of leaves of a plant is icreased by the quantity of carbon dioxide in the atmosphere