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Lapatulllka [165]
2 years ago
5

Attraction of magnets is caused by similar poles aligning . true or false ?

Biology
1 answer:
marysya [2.9K]2 years ago
8 0

Answer:

true

Explanation:

because when you put a negitive with a positive it attrascts but if you put a positive with a positive it will not attract it will repeal

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The adrenal medulla secretes epinephrine during sympathetic stimulation. which of the following statements describes why epineph
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The same receptor that responds to norepinephrine also respond to epinephrine, increasing the action of both. Adrenal medulla is NOT affected by the parasympathetic division of the autonomic nervous system (ANS
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3 years ago
Population growth is:
kow [346]

Answer:

Population growth is the increase in the number of people in a population. Global human population growth amounts to around 83 million annually, or 1.1% per year. The global population has grown from 1 billion in 1800 to 7.9 billion in 2020. ... A popular estimate of sustainable population is 8 billion people.

Explanation:

4 0
2 years ago
What is an example of an object that affects gravity<br> on Earth?
aliya0001 [1]

Answer:

the object that affects gravity is call gravinaltational force which acts on the way human stay on earth

Explanation:

8 0
2 years ago
how are mitochondrial genes typically inherited? an individual randomly inherits their mitochondrial dna from either parent. an
dybincka [34]

An individual inherits their mitochondrial DNA from their mother.

The little circular chromosome contained inside mitochondria is called mitochondrial DNA. These organelles are the heart of the cell and are present in all eukaryotic cells. The only way for mitochondria and their DNA to be transmitted from mother to child is through the egg cell.

Mitochondrial inheritance: The mitochondria in this particular type of inheritance have their own DNA. Only illnesses resulting from mutations in the mitochondrial DNA are solely passed down through mothers.

Because sperm contain few mitochondria and these break down after fertilization, an individual's mitochondrial DNA is solely acquired from the mother.

To know more about mitochondrial DNA visit the link:

brainly.com/question/28937546?referrer=searchResults

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3 0
9 months ago
Use a Punnett square diagram to show why, for each pregnancy, the chances of giving birth to either a boy or a girl are 50-50. E
ikadub [295]

Answer:

Because the offspring of a male and female are always going to be xx, xx, xy, or xy.

Explanation:

Remember that men have different reproductive chromesomes than women. Women have 2 x chromesomes(xx) while men have 1 x and 1 y(xy). These are given down to their offspring.

So we can write the this out in a punnet square as(link down below).

After you see the visual, you will find that the genotypes are xx, xx, xy, xy.

As I said above, women have sex chromesomes xx, while men have sex chromesomes xy. When you match the genotypes on the punnet square with the ones we know from men and women, we find that two of them match with men and two match with female.

So with this, we can conclude that 2/4 of offspring will always be male and 2 will be female. And as you well know 2/4 is 1/2 which is 50%.

3 0
2 years ago
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