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...
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...
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...
The nuclear explosions produce both immediate and delayed destructive blast effects, the thermal radiation, and prompt ionizing radiation cause significant destruction within seconds or minutes of a nuclear detonation. The delayed effects of nuclear...
