The gravitational attraction from our Sun holds the planets in orbit.
Holes on plants come from insects.
They go on your plants and that's why there is holes in your plants.
Through holes in their leaves...
Gravity is the short answer
To take in carbon dioxide and release oxygen
they are called stomata
yes they can they have small holes in their leaves and let out oxygen.
they have holes in them to breath the air in the water
leaves
Make your own project.Get some boxes (cardboard) with opaque walls.Put some plants in the boxes.Cut holes that let light in.Leave the plants (but do not forget to water them) for a few weeks in a bright place.Uncover the plants and see how they grew towards the holes that let in light.
Plants breathe through small holes in their leaves. Unlike us they do not breathe through lungs.
Plasmodesmata