too little thyroxine can cause one to be sterile
Answer: E). Both b and d
Explanation:
Operant behaviour or conditioning which is also known as Instrumental conditioning is a type of learning process in which the strength of an organism or individuals behaviour is modified by punishment or reinforcement either positively or negatively.
Operant behavior is said to be "Voluntary" because the responses of the organism are under its control.
Answer:
I would just ask my mom or dad for help.
Explanation:
hope this helps :)
The answer would be D. Frequent infections.
