Answer:
upward (F=ma if f is up a is up)
Answer:
They add carbon Dioxide into the air warming the atmosphere which adds to the greenhouse effect, Making the temperature higher
Mass of sodium :- 23 grams
Mass of Chlorine :- 35.5 grams
Mass of NaCl :- 58.5 grams
mass given :- 25 grams
moles :- 0.432 ( given mass/ ionic mass)

Answer:
the amount of products and reactants is constant
21Explanation:BEACUSE I CAN