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What are the positive and negative effects of water?
Water hydrates your body helps you focus... and keeps you alive.. you need it.. it's one of the most essential things on Earth for humans, negative effects would be.. if you drink too much your blood will get diluted and that isn't too good for you... also you could drown in it.. Water is colourless, odourless and tasteless.. but we need it to survive
What are positive and negative aspects of cloning humans?
A well-known negative aspect is that it is basically necessary to kill one human (by taking out the genetic material from a fertilized egg) to make a clone of another. However, this only applies to current technology; and it is conceivable that other methods are found. A long-term concern is the risk of reducing genetic variety - it is precisely because of the advantage of maintaining genetic variety that sexual reproduction is so successful (most species use it). I believe those disadvantage far outweigh any perceived advantage; but perhaps someone else can give you more information about the positive aspects.
Why do places change over timr?
In what ways do humans affect the natural. Students observe the changes people make in the natural physical characteristics of a place over time.
What is the probability that an offspring will be male?
For humans, approximately 0.52For humans, approximately 0.52For humans, approximately 0.52For humans, approximately 0.52
How is gravity negative?
Well, if you drop something made of glass or china from a height, gravity pulls it down an dit is likely to brake. It also makes travelling up hill tricky and makes objects heavy to carry. And lastlly, it stops humans flying ;)
