Definitely not the last 2. My bet is on the first option. If it is wrong don't hit me please...
Antoine-Laurent Lavoisier was the first person to report the four element classification system but also ended up including some compounds rather than elements.
Answer:
after a product has been improved and approved? reporting the results finding ways to lower costs selling a prototype determining criteria.
Explanation:
Step 1: list known info
distance(change in position (Δx))= 18m+22m= 40m
time= 20 seconds
Step 2 :solve for velocity
velocity= Δx÷time
v= 40/20= 2m/s
Answer: the velocity is 2 meters per a second (m/s)
