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Sav [38]
4 years ago
14

Chemicals that we are exposed to that are called carcinogens are a potential cause of A) asthma. B) cancer. C) diabetes. D) hear

t disease.
Biology
1 answer:
I am Lyosha [343]4 years ago
6 0
Carcinogens is a substance that can cause cancer. So the correct answer is B) cancer 
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Stages of mitosis and what happens in each stage.
Zina [86]
There are 4 stages in Mitosis...
Prophase:
It is the first phase in which the chromatin coil to become chromatids, and those chromatids pair up and the nuclear membrane surrounding them dissolves. The centrioles move to each end (pole) of the cell.
Metaphase:
Where the paired chromatids align in the centre of the cell and spindle fibres attach to them at the centromere. 
Anaphase:
The centrioles act as anchors, tearing the paired chromatids away from each other using the spindle fibres. Each paired chromatid moves to either (the opposite) end of the cell.
Telophase:
Where the chromatids elongate to form chromatin, and a nuclear membrane begins to form around the chromatin at each end of the cell. Cytokinesis occurs in this stage as the cell separates into two daughter cells. In animal cells, there is cleavage as the two cells are starting to separate. In plant cells, a plate begins to form.

4 0
3 years ago
A. what is hard water? why is the presence of hard water often considered a negative thing? (3 points)
Anna35 [415]

Hard water contains mineral ions basically the calcium and magnesium ions.

The presence of hard water often considered a negative thing as it is associated with a number of issues related to plumbing, water storage as well as cleaning and maintenance.

Hard water leads to clogged pipes due to the deposition of ions on the surface of water conducting pipes. This hindrance also degrades the quality of equipment used for water storage and heating e.g. geysers.

The hardness of water can either be temporary or permanent depending on the type of ions present in it. Temporary hard water contains calcium and magnesium ions whereas Permanent hard water contains anions like the sulfate ion.

To learn more about Hard water here

brainly.com/question/26109244

#SPJ4

3 0
2 years ago
A small group of individuals leave a larger population and colonize a new area that is physically separated from the original po
sergiy2304 [10]
What is the question?
5 0
3 years ago
Read 2 more answers
If two alleles influencing the expressed phenotype for a trait are equally expressed, this is an example of: a. polymorphism.b.
g100num [7]

Answer:codominance

Explanation:codominance inheritance is when both alleles of a heterozygous gene pair have full phenotypic expression. A good example is the human blood group; people with ABO blood group type AB blood have one allele for A and one for B both expressed.

3 0
3 years ago
4. When does a decay series end?
Illusion [34]

Answer:

A decay series ends when a stable nuclide is reached - it will no longer spontaneously decay.

Explanation:

7 0
2 years ago
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