An example of reinforcement would be a mother gives her son praise (reinforcing stimulus) for doing homework (behavior). The little boy receives $5.00 (reinforcing stimulus) for every A he earns on his report card (behavior).
Andrea because she is the most focused. Tom is acting either immature which is not a good quality in a leader. Whilst Joe is not confident and is acting shy which is also not a good quality for a leader.
A simile can be found when using "like" or "as" between two things. Example: I'm as happy as a clown.
Your question would be a metaphor. Both things are being compared to a science expieriment, probably meaning that they need to have an outcome, but it isn't known for sure if it will be a good or bad outcome.
Things like this can be taken many ways, so if you think something else, I'm sure it would work as well.
The answer is “A” !!
Explanation: Readers need to be able to see that your paper has one main point. If your thesis statement expresses more than one idea, then you might confuse your readers about the subject of your paper.
The pros of keeping fit are that your body and heart dont have to work as hard, you will generally have more energy at all times and feel better physically and mentally. the cons are that it can be time consuming to exercise daily and you may not have time to do that, also you may be tired after working out and you have to keep to a steady diet of healthy foods, which can be difficult for some people
