How are tsunamis, earthquakes and tectonic plate movement related?

A. Earthquakes cause plate movement, which causes tsunamis.

B. Plate movement causes earthquakes, which cause tsunamis.

C. Plate movement causes tsunamis, which cause earthquakes.

D. Tsunamis cause earthquakes, which cause plate movement.

1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?

Ineed ! i have no clue how to do this problem.