The asexual reproduction by tubers in plants
Reproduction by tubers The tuber is a horizontal root or a terrestrial stem or which contains growing buds and it is used for the vegetative reproduction, It is root as the sweet potatoes, and...
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Harmful effects of toxic chemicals in the environment
Toxic chemicals are substances that can be poisonous or cause health effects, They don’t break down easily in the environment, they can build up the tissues of small organisms, and they can move up...
Advantages and disadvantages of asexual reproduction in plants
Asexual reproduction in the plants The asexual reproduction is the production of new plants without using of seeds, it can incorporate new characteristics into the plants, it is easier and cheaper, it can produce...
Bad effects of the webs of wireless transmitter of cellular phones
The networks have harmful effects on people who suffer from the heart diseases, they cause electromagnetic pollution, when people use the cell phones to make the calls, the signals are transmitted back and forth...
