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Alex73 [517]
3 years ago
6

Which statement correctly compares the number of chromosomes in a body cell to that in a sex cell of humans?

Chemistry
2 answers:
ad-work [718]3 years ago
6 0
The answer is C: "<span>A body cell has 46 chromosomes; a sex cell has 23"</span>
Leya [2.2K]3 years ago
3 0

Answer is: C. A body cell has 46 chromosomes; a sex cell has 23.

Chromosome is a DNA molecule with part or all of the genetic material of an organism.

Chromosomes in humans are divided into two types:

1) body chromosomes or autosomes.

2) sex chromosomes or allosomes.

When sex cells unite during fertilization, the haploid cells (23 chromosomes) become a diploid cell (46 chropmosomes).

Body cells have 23 pairs of chromosomes (22 pairs of autosomes and one pair of sex chromosomes), giving a total of 46 per cell.

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Which of the following is not a negative consequence of upward urban growth?
Anestetic [448]

Answer:

D. Waste management issues

Explanation:

Answer A: The five major types of pollution - water pollution, air pollution, land pollution, light pollution, noise pollution - have negative effects on the environment, on human health, and our planet as a whole.

Answer B: Urban Heat Island (UHI) is an urban area that is significantly warmer than its surrounding rural areas due to human activities. UHI decreases air quality.

Answer C: The increased use of surrounding land is the main cause of biodiversity loss.

Answer D: Any field of environmental management help people to solve pollution problems. So, D is the correct answer.

....

Hope this answer can help you. Have a nice day!

8 0
3 years ago
Find the pH of HCl with a concentration of 0.00006M<br> Round to the nearest whole number
Tpy6a [65]

Answer:

4.22

Explanation:

pH stands for potential hydrogen. The letter “p” denotes potential and the letter “H” denotes hydrogen.

pH helps to find the acidity or alkalinity of an aqueous solution.

The number of hydrogen ions (protons) present in a solution is determined by the pH scale.

A pH greater than 7 makes the water more alkaline and a pH less than 7 makes the water more acidic.

pH=-\log [H^+]=-\log [0.00006]=4.22

4 0
3 years ago
Report the number 315.05 to 3 significant figures.
emmainna [20.7K]

Answer:

315.

Explanation:

Hello.

In this case, since the given number has five significant figures as the zero is to the right of the first nonzero digit (3), if it is required to report it with three significant figures, it is necessary to "cut" it at the first five without any rounding since the subsequent zero is less than five.

Thus the number turns out:

315

Best regards.

5 0
3 years ago
Solar energy converts ___ into either ___ energy or electrical energy.
IceJOKER [234]

Answer:

Hey mate....

Explanation:

This is ur answer.....

<h2>Solar radiation can be converted either into thermal energy (heat) or into electrical energy.</h2>

Hope it helps!

mark me brainliest plz......

Follow me! :)

4 0
3 years ago
Read 2 more answers
Use the map to explain where the South American and African plates were located hundreds of thousands of years ago. Africa was m
DaniilM [7]
<span>Africa was more south and west and South America was more south and east of their current positions. I would say this would be because because South America and Africa used to be together in Gondwanaland millions of years ago and then apparently drifted apart as Wegener thought and then with the advent of plate tectonics it became apparent that the mid-Atlantic ridge runs between them and due to spreading along it Africa and S America got separated.</span>
4 0
3 years ago
Read 2 more answers
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