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Romashka [77]
3 years ago
12

What are two environmental factors that contribute to the development of cancer?

Biology
1 answer:
kolezko [41]3 years ago
3 0

Answer:Aging. ...

Family history. ...

Smoking. ...

Alcohol. ...

Sunlight and ionizing radiation. ...

Organic and inorganic chemicals. ...

Viruses and Bacteria. ...

Hormone therapy.

Explanation:

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A clone is a creature made from the DNA of a single cell.<br><br> True<br><br> False
svet-max [94.6K]

Answer:

Sort of, true.

Explanation:

Cloning is when you take the DNA of a somatic cell of the animal you are trying to clone and add it to an embryo. It will then develop into a baby with the same DNA as the other animal.

(but in my opinion, you're just giving the test animal a sibling.)

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3 years ago
Which vector contained the infectious agent, Yersinia pestis?​
malfutka [58]

Answer:

Yersinia pestis is the causative agent of plague

Explanation:

Rodents, such as rats, carry the disease. It is spread by their fleas.

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3 years ago
The cells in this part of a plant form long, vertical tubes. What is the most
Soloha48 [4]

Answer:

The cells present in the stem are part of the xylem and phloem conductive tissues. They are characterized by being elongated and in tubular form because they transport the substances, the xylem transports  water and  inorganic mineral sales that the root absorbs from the soil. The phloem is responsible for transporting substances synthesized in photosynthesis.

Its tubular and elongated shape facilitates the transport of these substances

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3 years ago
Pericarditis, an infection with an accumulation of fluid in the pericardial sac, can lead to cardiac ________, as the fluid comp
torisob [31]

Answer:

Pericarditis,an infection with an accumulation of fluid in the pericardial sac,can lead to cardiac attack ,as the fluid compress the heart and stops from beating.

Explanation:

Pericarditis is mainly caused by viral infection in the respiratory tract.Pericarditis is an autoimmune disorder as they release antibody which attack body's own tissue and cells.

Pericarditis mainly affect people with age between 20-50

Pericarditis means inflammation in the pericardium region which is a sac like like structure and surrounds the heart.

The symptoms include Chest pain,Cardiac attack  and some times cause death.

Pericarditis may be acute as it happens suddenly and does't lasts for longer time.

6 0
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Zebra mussels were first discovered in North America in the Great Lakes in 1988. This invasive species eats phytoplankton and ot
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B. The answer is B :)
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