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Leona [35]
3 years ago
11

How does using public transportation to get to school or work help slow

Biology
1 answer:
weqwewe [10]3 years ago
5 0

Answer:

The fuel consumption of public transportation is less per passenger.

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Of the following choices, what is the approximate LD50 of the least toxic substance? 20 mg/kg, 70 mg/kg, or 130 mg/kg
pychu [463]

The approximate LD50 of the least toxic substance will be 130 mg/Kg.

  • The dose necessary to cause the death of 50% of a population under test after a predetermined test period is known as the LD50 value for a drug.
  • Commonly used as a broad indicator of a substance's acute toxicity are LD50 values.
  • Greater toxicity is indicated by a lower LD50. A low LD50 of 500 mg/kg or less implies severe toxicity.
  • Moderate toxicity is indicated by an LD50 of 500 to 1,000 mg/kg. A modest toxicity level of 1,000 to 2,000 mg/kg is indicated.
  • The species is especially vulnerable to the poison if the LD50 is low. The lethal dose (LD50) of a specific poison might change significantly between several animal species.
  • Thus out of all the options, LD50 130 mg/kg will have the lowest toxicity and 20 mg/kg will be the highest.

learn more about LD50 here: brainly.com/question/24845532

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8 0
2 years ago
Distinguish between scientific and pseudoscientific ideas?​
bazaltina [42]

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Pseudo-scientific means false or untrue science

Explanation:

The prefix Pseudo- has a meaning which is false  

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Jack needs to determine the missing flower part in this set: pistil, stigma, style, _____ Which part of a flower best completes
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Answer: ovary

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