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rocks help the plant to be strong
All they need is a tank some water some rocks a plant and to be feed.
For an ordinary plant you would need potting soil, water,and sunlight. For a cacti you woulgd need direct sunlight, rocks,sand,and dust.
do firefighters make small fires to help plant and animals to survive
Your question is OK but it is a bit too general to help you with an answer. For instance: A cliff will crumble to produce small and large rocks. A stony desert surface will have small and large rocks present on it. A river bed will have small and large rock in it. A moraine is comprised of small and large rocks. A beach is comprised of small and large rocks. And there are many many more possible answers. However, I feel that you want a specific answer and for this you would need to ask your question a bit more precisely.
ok for a typical fish tank you will need a clean glass or plastic marbels or rocks. get a small plastic plant or other dec. to put in. you need dec. because fish like to hide. clean tank every 2 weeks or so. this answer is mainly for goldfish,betta & other small fresh water fish.
Microscopic means too small to see with the unaided eye, so you need to use a microscope to see it.
They typically eat moths and other small insects which become trapped inside the plant.
Plant cells have vacuoles. And only plant cells, animal cells have no need for them and if they do have them, they are very, very small.
We need rocks to build stuff and to protect stuff.
you don't need too much but not to less like a little beaker or a small glass
If you need a plant that will be stronger and resist very dry weather, you will find a purebred plant that is tall and one that is resistant and cross them using a small test plot. A hybrid will result and perhaps that will have the traits you need.