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mrs_skeptik [129]
3 years ago
15

Tobacco products have been identified as mutagens. However, some tobacco users develop cancer and some do not. The reason for th

is apparent inconsistency is
a mutagens only have the capability to cause mutations if exposure lasts over 20 years
b. some people are more predisposed to developing cancer when exposed to mutagens
c. not all tobacco products are cancerous
Biology
2 answers:
frozen [14]3 years ago
8 0

Answer: Option B

Explanation: A genetic predisposition also known as genetic susceptibility can be defined as the likelihood of developing particular disease based on the genetic makeup of person.

It results from specific genetic predisposition that is inherited from the parents.

It increases the chances of diseases development but do not cause it directly.

So, the correct answer is option B

DiKsa [7]3 years ago
6 0
B because you can get cancer badly by smoking people smoke cause of stress the stress makes it worse to smoke
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3 years ago
Which statements accurately describe the roles of decomposers in the carbon cycle?
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Answer:

The question is incomplete, here's the complete question;

Which statements accurately describe the roles of decomposers in the carbon cycle? Check all that apply.

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The correct answer is;

Decomposers release carbon dioxide into the air as waste.

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Explanation:

In the earth, all living things are made up of carbon. Carbon cycle is the process in which carbon travels from the atmosphere into living things in the earth and then returned into the atmosphere.  Carbon is released into the atmosphere through processes like respiration, decomposition, combustion etc. The carbon cycle explains how carbon is stored, made available to living things and replaced on earth. Plants absorb carbon in the form of carbon dioxide from the atmosphere and use it to produce food (glucose) and release oxygen in a process called photosynthesis. When animals feed on these plants , the carbon is transferred to them and thus passes it along the food chain. During respiration, animals release carbon dioxide back into the atmosphere. When the organisms eventually die, the carbon from them is put back into the atmosphere by decomposers so that other living organisms can use it. Decomposers break down dead organisms , releases carbon dioxide through cellular respiration and enriches the soil with nutrients.  The examples of decomposers are bacteria, fungi and worms. Bacteria decomposes most types of organic matter. Fungi are the main decomposers in the forest as they break down wood and the cellulose in plant cell walls. Decomposers are very important because they release carbon locked up in the dead organisms back into the atmosphere and without carbon dioxide in the atmosphere plants can not produce glucose and oxygen.

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