Because When it loses a leg, the leg will grow back and the ripped off leg will grow into another star.
To reduce river pollution we can stop throwing our waste into the rivers .
One way was to reduce the in-city-limits populations.
Gene flow tends to reduce diffences between populations.
Throwing up will not reduce your current blood alcohol percentage, but if there is unabsorbed alcohol in your stomach, throwing up can prevent your blood alcohol percentage from increasing through additional absorption. Metabolism and time is the only way to reduce your blood alcohol percentage.
The americans
The americans
Gene Flow Gene flow tends to reduce differences between populations. If it is extensive enough, gene flow can amalgamate neighboring populations into a single population with a common gene pool.
Herons can decimate pond animal populations.
humans cannot eliminate the problem but they can reduce .e.g by planting more and more trees ,by throwing the litter in dustbin ,by take care of already existing the plants.
Integrated Pest Management
you can use less electricity. first of all dont ride cars as much,
Reduce (the waste you create), reuse (use that bottle for something else rather than throwing it away), and recycle.