Answer:
Adding Catalyst can Speed up a Chemical reaction
A Weather Satellite.
Hope this helps.
Answer:
You can see that the line is going up and is curved in a positive direction.
Explanation:
When an object is speeding up, the acceleration is in the same direction as the velocity. Thus, this object has a positive acceleration.
I got B. Because the answer is K2SO4, I got it right on my test so I know its right