in which situation would it be most appropriate to use a formal writing style?\n a text message to a…

in which situation would it be most appropriate to use a formal writing style?\n a text message to a friend\n a science report for class\n a letter to a grandparent\n a note to a brother or sister
Answer
Brief Explanations:
Formal writing is used in professional, academic, and serious - tone contexts. A science report for class is an academic task where a formal style is expected for clarity, objectivity, and credibility. Messages to friends, letters to grandparents, and notes to siblings are more personal and informal.
Answer:
a science report for class