Eiderdown, of course.
Up to down or down to up.
Gravity pulls denser air down, this pushes the lighter hot air, from the fire, up.Gravity pulls denser air down, this pushes the lighter hot air, from the fire, up.Gravity pulls denser air down, this pushes the lighter hot air, from the fire, up.Gravity pulls denser air down, this pushes the lighter hot air, from the fire, up.
Smell travels in all directions in the air, not specifically up or down.
air molecules
hot air goes up, cold air goes down.
A car may idle up and down due to "Improper fuel mixture". (The fuel in the car may consist of an un-even balance of air or gas). However, there are a few other ways a car can idle up and down.
Yes, a bullet shot up in the air can be dangerous when it comes back down. The bullet can reach high speeds on its descent, potentially causing injury or even death if it hits someone. It is important to never shoot bullets in the air as they can pose a serious risk to people's safety.
because the air warms as it moves down
Air can escape from the ballons even if there aren't holes in them.
In general, weather continues to move from west to east, even at the poles, because of the rotation of the earth.
They hold up extremely well because the down naturally repels moisture. The blanket allows enough air to circulate through it, so you will stay dry even if you sweat a lot in your sleep.
Answerthe reason is that the molecules in air push in all directions down,up, and sideways. The air pushing down on top of your desk is balanced by the air pushing up on the bottom of your desk.