Answer:
1 and 3
Explanation:
1.Melting is a reversible change because it can be frozen back to its original state.
3. Decomposition involves breaking down of large substances into new smaller ones with release of energy which is similar to a chemical reaction
2. Decomposition isn’t usually reversible because new substances have been formed due to microbes and environmental conditions. A decayed substance can’t be changed back to its original form
Answer:
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In this example, the reinforcement is the boss's praise.
What is reinforcement?
A belief or habit of behavior is encouraged or established through the process of reinforcement. In this instance, the manager commended his hourly workers for a job well done. The employer hopes that the employees' hard work will be rewarded with the compliments. The boss's praise serves as the reinforcement in this instance. The employer believed that the compliments would motivate the staff to put in more effort.
Punishment results in a behaviour being decreased, whereas reinforcement results in an increase in the behaviour. Punishment can be used in a positive or bad way, much like reinforcement. The likelihood of a behavioural response is increased by all reinforcers, positive or negative.
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If this is a parasite then D. It is when the parasite is benefiting and the host is harmed.