State what readings should be taken for an experiment to demonstrate the difference between good and bad emitters of infrared radiation. Plz help i need this answer ASAP

current flows in a wire

the displacement produced by the body.  

the amount of force subjected to the body.  

the angle between the direction of force and displacement

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.