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It depends on what type the seed is. Usually seeds need to be watered daily and to be in the sun. Rain is very good because it is fresh water.
the same way the other plants do, sunlight water and nutrients.
Spring balance shows remarkably less weight of yours, when immersed in the water. Your weight will be shown less as much the weight of water you have displaced.
Plants make seeds when they are reproductively mature and the environment appears (to the plant) to be suitable for possible seed spread. Different plants spread their seeds at different times based upon how the plant develops - some germinate and reseed in the early spring while others wait until late fall.
I had milkweed pods which sat in my unheated garage over the winter, I had no luck getting them to grow until I left the baggy with the seed pods on my patio. The bag was opened and got wet with rain water, after a few weeks I looked in the bag and the seeds had germinated. So I put the seedlings in soil and they are now growing.
Because they can't get enough air. Seeds need moisture, air, and some kind of planting medium in order to sprout and grow.
the sugar will attract bacteria which may be pathological to the seeds or the seedlings
probably a wet cloth as the seed needs oxygen to germinated and there isn't much of it available if its immersed in water
phosphorous is kept immersed in water because it reacts with air.
so that the germinating seedlings do not compete too much with each other for light, water and nutrients. planting them too close together causes the seedlings to stretch (in search of light) resulting in thin, weak plants
She was completely immersed in her book, oblivious to everything else happening around her.
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you can use a 300ml graduated cylinder water,3different objects
Not until it has been immersed for such a long time that it begins to dissolve(weeks).
To be covered fully in a mass or body of water.