In conclusion, and based on the above, we say that.....
You can start a science3 fair conclusion with I CONCLUDE OR MY FINAL CONCLUSION IS
"In conclusion"
True science starts with observation and hypothesis. Starting with a conclusion often leads to poor science.
Yes.
Only if its plural, like conclusions.
There are many ways you could state a conclusion. Many people start concluding paragraphs with the sentence starter "In conclusion".
you first start off with a hypothesis and after you end up with a conclusion
Yes, it is appropriate to start a conclusion with "therefore" as it signals a logical consequence or result of the points discussed in the main body of the text. This helps to summarize key findings and strengthen the overall argument or message.
taking everything into account on the whole overall
Restate your hypothesis and whether it is right or wrong.
In your case, the question is, can a sentence come to a conclusion. Try again.
you can't......you have to start all over.