air is because it does not have any mass and you can not see it
The book was light as a feather
because the feather is light and humans are not light
Light as a Feather was created on 1972-10-15.
Pretty Obvious. But I will answer it. It means something is very light. Sometimes light as a feather.
light as a feather
His breath is as light as a a feather but the strongest man can not hold it for more than a few minutes.
The cast of Light as a Feather - 2010 includes: Ethan Thomas Freya Tingley as Sophie
And my heart you can not tether?
wind
No, a kilogram is heavier than a feather. A kilogram is a unit of mass, while a feather is very light due to its low density.
"The feather I am holding here is a raven's feather," the museum curator taught the students.
They are a soft feather light breed