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DDT is a persistent chemical - it does not break down after it is used. So if you spray DDT to kill bugs, and birds eat the bugs, the birds now have DDT in them. Some species of birds almost went extinct because the DDT made their eggshells so weak that the chicks couldn't survive. You don't want to have a chemical around that solves one problem, but creates a hundred more.
What else can I help you with?
What is being done about ddt?
nothing is begging done about ddt yet
Does it possible for scientist to breed some miniature human?
Not yet, it would be considered cloning, and it has been banned in most countries in the world.
Should londonbluenose be banned off FF?
Has he answered his own question yet? If not then yes he should be banned
Is it possible to clone a human?
Yes. It can be done in the same way as did in sheeps,cow etc. But human cloning is legally banned in many countries.
Why is blue whales endangerd?
Mainly over hunting by nations that have not banned whaling yet, but should.
Where can you find registeel in Pokemon indigo?
They are not in this version of Indigo yet. You could get it in by hacking, but you may get banned if you do that.
Does caffeine naturally appear in foods?
Caffiene doesn't naturally appear in food, yet it does appear in plants as a natural substance and is a pesticide. The caffeine is then stripped off the plant and used in products such as coke or coffee. Caffiene doesn't naturally appear in food, yet it does appear in plants as a natural substance and is a pesticide. The caffeine is then stripped off the plant and used in products such as coke or coffee.
Which countries in the world do not have TV's yet?
usa
Why Do People not have to worry about pesticide residues?
Because there is no sufficient evidence to prove this theory. A theory is only as good as the evidence it is based on, in this case not much. I do not worry about pesticide residues because no one has yet suffered anything from it. People don't have to worry about pesticide residues because the E.C.P.A (European Crop Protection Association) is very strict to ensure that their customers are protected and not exposed to residues levels that can affect our health.
What countries have banned the use of plastic bags?
I know some countries have. England have not yet but they are starting to give out the bags for life so England may stop having plastic bags.From MeganAge 11China put a ban on plastic bags and2 U.S cities have San Fransisco and Los Angeles
What can you do if your banned from cybering and other people cyber to but they don't get banned on flipnote hatena?
You can report the others for cybering. And hope you are not permabanned yet so you will have a chance to enjoy the site within the terms of use.
Has the Celebi event for Heartgold and Soulsilver come and gone already?
It has ended in Japan but hasn't been in other countries yet. Not sure if it will be given in other countries yet. There hasn't been a date chosen yet though.
