What needs to be emphasized in this step when reading?
"Turn the two-bottle assembly over, and place the assembly on a table with the filled bottle on top. Watch the water slowly drip down into the lower bottle.... Now, rapidly rotate the bottles in a horizontal circle a few times. Observe the formation of a funnel-shaped vortex..."

a. rapidly rotate the bottles in a horizontal circle
c. both A and B
b. Watch the water
d. neither A nor B

Question

What needs to be emphasized in this step when reading? 
"Turn the two-bottle assembly over, and place the assembly on a table with the filled bottle on top. Watch the water slowly drip down into the lower bottle.... Now, rapidly rotate the bottles in a horizontal circle a few times. Observe the formation of a funnel-shaped vortex..."


a. rapidly rotate the bottles in a horizontal circle
c. both A and B
b. Watch the water
d. neither A nor B

anonymous · Answer

for anyone who needs the answer it is A