Avocado produces recalcitrant seeds.
I don't know if avocado leaves can be used to produce ink, but avocado seeds can. Avocado seeds, when extracted, produces a milky fluid that will turn red, brown or blackish on exposure.
yes because it has seeds and fruits have seeds.
It is a fruit but it is thought of as a vegetable.
You can start an avocado plant from seeds. A glass of water or moist, porous soil mixture can be used to start the plants.
poppy seeds travel by wind
apple, guava, jackfruit, durian, mango, avocado
there are approximately 18 servings in an avocado - but that is only if it is a big one.
There are too many to list, and the list varies a bit between varieties. But there are a number of tannins in the seeds (and the leaves and bark) of the avocado. These chemicals can be innocuous or they can be mildly to moderately toxic depending on which "flavor" you choose.
No the seeds of poppy and pea do not travel by air.
Milkweed seeds have little silken parachutes. They travel with the wind.
Seeds travel through the air with wind. Flowers drop seeds and the air carries them.