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Q: Why should LD50 be greater than ED50?
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Why do cockroaches survive a nuclear bomb?

The radiation LD50 of most insects is far higher than the LD50 of mammals.


True or False. Does a chemical with a LD50 of 1000mg over kg have less toxicity than one with LD50 of 100mg over kg?

True. The chemical with an LD50 of 1000mg/kg is less toxic than the one with an LD50 of 100mg/kg. LD50 is the lethal dose at which 50% of the test subjects die, so the higher the LD50 value, the less toxic the chemical is considered.


What is the toxic dose of oxycodone?

105 mgs per day is the average dose. Sources rxlist.com Drugs.com


Should the sum of 45.3 and 3.21 be greater of less?

The answer depends on greater or less than what!


When fair cube is rolled what percent is greater than 4?

In the long run, 33.33... % should be greater than 4.


The oral ld50 value for cypermethrin is 247 mgkg compared to 5000 mgkg for hexaflumuron therefore what is the more toxic of these two pesticide?

Cypermethrin is more toxic than hexaflumuron based on the LD50 values. The lower the LD50 value, the more toxic the substance is. Therefore, cypermethrin with an LD50 of 247 mg/kg is more toxic than hexaflumuron with an LD50 of 5000 mg/kg.


Is 26.19 000 greater than 26.19?

They should be the same.


If you add 45.3 and 3.21 should the sum be greater or less than 48 decimals?

It is greater than 48. 45.3 + 3.21 = 48.51


Can 0 be greater than 0?

No, if you're talking about inequalities and you get 0 and 0 there should be a greater than or equal to sign in between the two.


Do animals die from products tested on them?

YES they do. Its disgraceful.It depends on the test. Everyone complains about the Draize test, which is the one where they hold open rabbits' eyes and drip chemicals in them. The one that's worse is the LD50 test. This determines the "acute toxicity" of a substance--LD50 means the dose that kills half the animals who receive it. They can do a skin contact LD50, an oral LD50, an inhalation LD50 (more correctly LC50--inhaled chemicals are rated in parts per million in air) or an injection LD50. If you are doing an oral LD50 on antifreeze, you squirt a measured dose of antifreeze down the throats of 100 animals--anything from mice to dogs are used. You then count the number of animals that die over the next 14 days. At the end you euthanize the ones who are still alive. If 50 or more of the animals died from antifreeze, you record the dose as the LD50 and you're done. If fewer than 50 die, you repeat the test with a new batch of animals and a higher dose. Antifreeze kills by destroying the kidneys, and there are even worse chemicals than that--imagine having to run an inhalation LC50 on nerve gas!


What does the greater and less then sign look like?

First of all, the question should be asked like: What does the greater and less than sign look like? Greater Than Sign - > Less Than Sign - < Equal To Sign - = Your Welcome!


Is 2 miles less than or greater than 10500 feet?

greater than