مورخ اور ہولغا
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العاب الكارات
Her ereld
druar
له موری
Answers
Gravity, also called gravitation, in mechanics, the universal force of attraction acting between all matter. ... On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects.
Explanation:
The plantlets are obtained in a very short time with a small amount of plant tissue.
The new plants produced are disease-free.
The plants can be grown throughout the year, irrespective of the season.
A large space is not required to grow plants by tissue culture technique.
The production of new varieties in the market place speeds up.
This technique is being used for the production of ornamental plants such as dahlia, chrysanthemum, orchids, etc.
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