Answer:
Carbon dioxide is formed when sodium carbonate or sodium hydrogen carbonate is reacted with any mineral acid or organic acid
Explanation:

Answer:
horrible, but how about you?
Explanation:
30 m/s because that is the form that suppose to be for velocity
Friction<span> is the </span>force<span> resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of</span>friction<span>: Dry </span>friction<span> resists relative lateral motion of two solid surfaces in contact. i hope you can give the figure and values given</span>