Birds fly in air. They use the air to fight gravity. When air travels faster along the upper wing than the lower wing, the air force down is less than the air force up -- really helps most birds. Gravity affects birds.
because they have wings
yes, yes u can. we are on the ground because gravity is pulling us and if there isn't any gravity then nothing's pulling us anymore and we can fly. well not exactly fly but sort of above the ground. u cannot get any higher or any lower just at a constant height. well maybe i think u can move too left or right.
It is pulling us toward the center of the earth. We are lucky we live on Earth and no some planet with a weak gravity where we can fly in the clouds.
They fly to places without snow.
No, Gravity actually pulls upwards but the sheer mass of things makes them heavier and stay on the ground instead of flying away. This is how Birds are able to fly, because they have a mass inconsistency they partially float and then propel themselves with their wings.
If you mean human then no.humans cant fly.Humans have weight plus gravity is taking place so humans ant fly.If you mean birds they can fly because they have wings which can defy gravity and make them fly into the air.
Gravity can be found everywhere on Planet Earth, the force that keeps us on the ground and doesn't allow us to fly is called gravity.
Air Pressure
It will keep on flying and never come to ground
Not all of them do- birds that fly, probably feel safer in trees since many of their natural enemies can not fly. However,,some birds that can fly a little. like to nest on the ground, possibly because they get their food off the ground and feel at home there.
Everything floats because of the low gravity. Gravity keeps you on the ground; without it, you are floating free!
Some birds that build their nests on the ground are flightless birds, such as emus and ostriches, but other birds which can fly are also ground-nesting. These birds include chickens, penguins, killdeer (a kind of plover), and water birds such as ducks, geese, swans etc.