Nwhich case does viscosity play a dominant role? case
a. a typical bacterium (size ~ 1 mm and velocity ~ 20 mm/s) in fresh water. case
b. a swimmer (size ~ 1.5 m and velocity ~ 3 m/s) in fresh water.

the first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."

i think its c if i'm wrong

i believe the answer is electric potential.

explanation:

a cold ice-tea.

pour in room temperature or cold water. cover the pitcher and refrigerate. steep white or green tea for 6 to 8 hours; steep black or oolong tea for 8 to 12 hours.jun 28, 2015