An umbrella tends to move upward on a windy day because _____.
Abuoyancy increases with increasing wind speed
Bair gets trapped under the umbrella and pushes it up
Cthe wind pushes it up
Da low-pressure area is created on top of the umbrella
Eall of the above
Abuoyancy increases with increasing wind speed
Bair gets trapped under the umbrella and pushes it up
Cthe wind pushes it up
Da low-pressure area is created on top of the umbrella
Eall of the above
