a construction worker uses a pulley system to lift a 200 N box up 10 meters in 15 seconds a crane lifted the same box is 10 meters in 3 seconds did the worker or the crane do more work​

Both independent and dependent clauses

Which missing item would complete this alpha decay reaction ? > 228/88ra + 4/2he a.224/96 rn b. 232/90 th c. 230/92 u d. 235/92 u

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions