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zheka24 [161]
3 years ago
8

Explain problems with using low-tar, low-nicotine cigarettes.

Biology
1 answer:
satela [25.4K]3 years ago
4 0
The risk of lung cancer death is no different between medium, low, and very low-tar cigarettes.

People who smoke low-tar cigarettes compensate the lack of tar by changing their breathing habits, for example, they will take deeper drags or hold the smoke in for a longer period of time,  basically negating the supposed " low-tar" effect. 
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Bird wings and dragonfly wings are both used for flight is it homologous structure or analogous structure
Vsevolod [243]
Analogous. This means they share a similar function (flight) but do not have the same embryonic origin.
8 0
3 years ago
What is the main difference between the null and the research hypothesis? What is the importance of assuming the null hypothesis
Ksivusya [100]

Answer:

The null hypothesis is a general statement that states that there

is no relationship between two phenomenons under

consideration or that there is no association between two groups.

A hypothesis, in general, is an assumption that is yet to be proved

with sufficient pieces of evidence.

8 0
2 years ago
In Pavlov's study, the unconditioned stimulus (UCS) was ________; the neutral stimulus was ________; and, finally, the condition
Oksana_A [137]

Answer:

In Pavlov's study, the unconditioned stimulus (UCS) was __Meat_; the neutral stimulus was ___bell__; and, finally, the conditioned stimulus (CS) was __bell__.

Explanation:

Pavlov was a physiologist and was studying the digestive system but he came up with the most valuable studies of psychology. He put the tubes in dog mouth to collect saliva and calculate the amount of saliva produced by dog in response to different stimuli.

  • He provided the meat to dog and dog produced saliva in response to unconditioned stimulus of meat. It was the natural reflex.
  • He ring the bell but there was no saliva produced by dog in response to the bell. This was called as neutral stimulus.
  • Then he associated the ringing of bell just before providing the meat (unconditioned stimulus). After several time the dog started to produce saliva on ringing of bell which was conditioned stimulus (CS).

5 0
3 years ago
Which sentence uses a verb in the active voice?
guapka [62]

Answer:

The softball game was filmed and broadcast by the local television station.

Explanation:

The other options contained past tense voices. Including Investigated, showing that there is no longer an investigation. Was planned; not signifying how long ago it had been planned. Were installed; a more recent event but still not present.

This sentence included "was", but it is stating that the local TV station is currently showing the film.

4 0
3 years ago
Read 2 more answers
Which situations should a supervisor consider in making assignments for nurses in the neonatal unita nurse with young children s
mr Goodwill [35]
A situation in where the supervisor can delegate assignments to the staff nurses in caring for the neonate of the mother with gonorrhea is when the baby is already under treatment as gonorrhea is a communicable disease. Another if the baby and the mother has received treatment and the nurse wear proper personnel protective equipment then a nurse can be assigned to that specific client.
6 0
3 years ago
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