Enzymes don't take part in a reaction but just speeds up a reaction
Answer:
Microorganisms.
Explanation:
They break down dead things and release nitrogen back into the soil and atmosphere.
Answer:
In this case, the two backward forces (air resistance and friction) perfectly balance the applied force of the wheels on the road in the opposite direction. Now unbalanced, those forces acting backward on the car slow it down, which we also know as negative acceleration
Explanation: