It it important because it makes people wonder how things work and are made which makes it so they want to move forward with experiments <span />
Answer:
I'm pretty sure that's right.
Explanation:
Answer: Velocity
Explanation:
i just took the quiz for k12
Answer:
80 m/hr
Explanation:
Changes from 20 to 100 meters in ONE Hour
changes 80 meters in one hour = 80 m/hr