Have to use transitional words for your work to flow. In the beginning middle end. you don't want to seem as if it all goes together, you don't need evidence or commentary that doesn't make since. transition words are very needed to help your paper make since and flow all together.
Scientists are creating vaccinations that prevent people from getting bird flu. If the virus mutates, a new vaccine needs to be made. The vaccine needs to be tested, which can be dangerous. It also takes a long time for scientists to know whether the vaccine works.
Answer: You will have a NEGATIVE energy balance if you take in fewer calories than needed.
You need to consume the correct amount of calories in order to stay healthy or maintain a neutral energy balance, which is what’s best for you. Good luck.
We kinda need to see what your talking about