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beks73 [17]
3 years ago
10

CV 7 Raja wanted to investigate how the amount of light affects the growth of a type of plant. The diagram below shows each of h

is set-ups in a clear glass tank. glass tank covered glass tank covered light with tracing paper light with black paper my 4 living plants soil Which of the following could be used as a control for his experiment? (1) light glass tank covered with black paper exactly the same but without the CV soil​
Biology
1 answer:
Alexandra [31]3 years ago
7 0

Answer:

Using the sentence in learning task 7 identify the type of context clues used in each item​

Explanation:

Using the sentence in learning task 7 identify the type of context clues used in each item​

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What point is Huxley making about human nature and the nature of human communities?
Wewaii [24]

The point that makes is that these are problems which can not be solved.

<u>Explanation:</u>

The point that Huxley makes about the nature of human and the nature of the communities of the human is that these are certain problems and such problems are not solvable.

Social engineers like Mustapha Mond ends up asking the questions like what is that thing which prevents the people from being happy in their lives. And after knowing that thing, there should be efforts made to remove the source of unhappiness of the people.

5 0
3 years ago
Which of the following is NOT a sex cell?<br><br>A) Sperm<br>B) Egg<br>C) Skin Cell<br>D) Gamete​
belka [17]

Answer:

hlo buddy

.ur answer is (c) skin cell

7 0
3 years ago
Read 2 more answers
An acidic solution of pH 5 has<br> TIMES as many hydrogen ions (H+) as does a solution of pH 6.
Artyom0805 [142]

The difference in concentration of hydrogen Ions between pH5 and pH6 is - x 10.

The pH scale is a scale or measure to find the strength of acidity or the basic nature of a solution or substance. pH 1 is acidic and pH 14 is the most basic on the scale.

  • The concentration of hydrogen ions is inversely related to its pH
  • More hydrogen ions present, the lower the pH
  • The fewer hydrogen ions, the higher the pH We know,

pH = -log(H+) then,    

=> 5 = -log (H+)

=> H+ = 10^{-5} (for pH = 5)    

=> pH = -log(H+)  

=> 6 = -log (H+)  

=> H+ = 10^{-6}  (for pH = 6)  

Thus, The substance with the lower pH (5) has 10 times as many hydrogen ions per volume of water.  

Learn more about the pH scale:

brainly.com/question/1596421

7 0
3 years ago
In humans, the sex of an individual is determined by the particular combination of the two sex chromosomes. Individuals that hav
chubhunter [2.5K]
I think it is a 50-60 percent chance. More boys are produced in the world than females at the moment, which might explain the reason some people are single.
8 0
3 years ago
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What term refers to how fast blood traveled from its source? _________ refers to how fast blood traveled from its source to wher
muminat

Answer:

Impact.

Explanation:

Science can be defined as a branch of intellectual and practical study which systematically observe a body of fact in relation to the structure and behavior of non-living and living organisms (animals, plants and humans) in the natural world through experiments.

In Science, the study of blood is generally referred to as serology.

Impact refers to how fast blood traveled from its source to where it landed.

This ultimately implies that, an impact is a measure of the rate at which blood travels from its source to where it lands. The four (4) phases of impact includes;

I. Displacement.

II. Retraction.

III. Contact and collapse.

IV. Dispersion.

In Human anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.

Generally, the cardiac cycle occurs in two (2) stages;

Diastole : in this stage, the ventricles is relaxed and would be filled with blood.

Systole: at this stage, the muscles contracts and thus, allow blood to be pushed through the atria.

Generally, the right atrioventricular valve (AV) is also referred to as the tricuspid valve and is located on the right dorsal side of the human heart. The right atrioventricular valve (AV) comprises of three (3) leaflets (flaps) which opens and closes in order to allow for the flow of blood from the right atrium of the human heart to the right ventricle. Also, the right atrioventricular valve is saddled with the responsibility of preventing blood from flowing backward in the mammalian heart.

4 0
3 years ago
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