The answer is belief it all adds up
Hello. You did not enter the text to which the question refers, which makes it difficult to accurately compose an answer. However, I will try to help you in the best possible way.
A context clue occurs when you don't know a word, or one of its meanings, but the entire text, or another word in the same sentence, presents you with a context that allows you to understand what the unknown word represents.
In the case of your question, you should look for a word in the sentence that is related to the word "mission" and that is contextualizing it. Esssa is the context clue.
Answer:
Observations help scientist come up with new ideas because collecting and storing data helps them make predictions on their theories. They need logical hypothesis so they have a better idea of the outcome when they conduct an experiment.
Explanation:
Better to be safe than sorry! An accurate observation is a must so nobody gets harmed or things get out of hand!