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Naya [18.7K]
3 years ago
10

What is the Ring of Fire? (site 1)

Biology
1 answer:
dsp733 years ago
6 0

Answer:

The ring of fire is an area around the pacific ocean where there is a lot of volcanic activity

Explanation:

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How many chemicals are in tobacco smoke?
tangare [24]

Answer:

More than 7000 chemicals are present in tobacco smoke.

Explanation:

In these 7000 chemicals, 250 are harmful to the human body such as carbonmonoxide, ammonia and hydrogen cyanide etc. There are some chemicals that are found in tobacco smoke which causes cancer disease in human. About 69 chemicals out of 250 are present in tobacco smoke that causes cancer disease. So its consumption is dangerous for health.

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3 years ago
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A scientist is studying the respiration reactions carried out by a certain bacterium. Which of these would indicate that the res
natita [175]
A and B are the exact same option.

The answer is that the production of ethanol indicates anaerobic respiration.
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2 years ago
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Which form of virus did Sabin use for the vaccine?
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Answer:

   Oral poliovirus vaccine or Sabin vaccine, named for its inventor American physician and microbiologist Albert Sabin, was developed. OPV contains live attenuated (weakened) virus and is given orally.

3 0
2 years ago
Round pea allele R is dominant to wrinkled pea allele r, while yellow pea allele Y is dominant to green pea allele y. Homozygous
allsm [11]

Answer:

RrYy (F1 generation)

Explanation:

This is a typical dihybrid cross involving two genes in the pea plant; one coding for seed colour and the other for seed shape.

According to Mendel's law of dominance, an allele is capable of masking another allele in a gene, the allele that masks or is expressed is called the DOMINANT allele while the allele being masked is called RECESSIVE allele.

Homozygosity of a gene refers to it having the same type of alleles while heterozygosity refers to having different alleles.

In this example, allele for Round (R) and Yellow (Y) pea is dominant over the allele for Wrinkled (r) and green pea respectively.

Homozygous round green pea (RRyy) crossed with Homozygous wrinkled yellow (rrYY) will give rise to a heterozygous round yellow (RrYy) F1 offsprings.

4 0
3 years ago
Lungs, Trachea, Diaphragm, Nose: Which organ system do these belong to?
Kitty [74]

Answer:

Respiratory

Explanation:

they all come together and help with breathing and oxygen :)

4 0
2 years ago
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