A Admin • 828.03K Points Coach Q. A balloon filled with helium rises in air because (A) Air exerts an upward force on the balloon (B) The balloon is weightless (C) Helium is less dense than air (D) Helium pushes down on the air below the balloon Correct Answer - Option(C) Views: 7 Filed under category Chemistry Hashtags: Share Manage Tags
Discusssion
Login to discuss.