Activity 1:Pre-assessment Directions:Choose the letter of the best answer.Wrote your answer on your answer sheet. _____1.the series of steps followed to solved problem is a.investigations b.experimental guidelines c.standard procedures d. the scientific method ____2.Which question would be the best high-level scientific question? a.who made the first microscope? b.how many giraffes live in Africa? c.does a amount of salt in water affect the temperature at wich it boils? d.how along ago did dinosaurs live on the Earth?​