Rust is caused when there is a redox reaction of iron and oxygen in the existence of water or air moisture. For the metal to be weakened by rust, the oxygen atoms needs to be mixed with metallic atoms to form the oxygen compound.
When the classrooms are divided into ability levels, type of preparation or according to future plans, it is called tracking. Tracking is a system where in, the school's population is divided and assigned to their respective capabilities or their achievements.
Answer:
The two characteristics of motivating operations are the value-altering effect, which alters the reinforcing effectiveness of a stimulus, and the behavior-altering effect, which alters the current frequency of all behavior associated with that stimulus.
Explanation:
Motivating operations are environmental variables that explain the variations which are there in the effects in the result of behavior. It was introduced by 'Jack Michael'.
It changes the effectiveness of some stimulus or object that reinforces (value-altering effect), and changes the current frequency of behavior that is associated with that stimulus (behavior-altering effect).
Motivating operations are also divided as Establishing Operation which increases the current effectiveness and Abolishing Operation which decreases the current effectiveness of some stimulus, object, or event as reinforcement.