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Arte-miy333 [17]
4 years ago
7

cockroaches are exposed to a pesticide, after 3 hours 95% of the insects are dead. what is the independent and dependent variabl

e?
Biology
1 answer:
Yanka [14]4 years ago
4 0
IV: Amount of pesticide
Independent variable is what can be changed

DV: Time of death how long it takes
What you can’t change
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julsineya [31]

Answer:

B.)

Explanation:

3 0
3 years ago
Temperature is a way to measure the ___________ energy of particles of matter.
Fed [463]

Answer:

Kinetic

Explanation:

The average kinetic energy of the particles in a material is measured by temperature. The overall kinetic energy of the particles in a material is measured by thermal energy. The higher the particle mobility, the higher the temperature and thermal energy of a material.

3 0
2 years ago
If a homozygous black bull is mated with a homozygous white cow and the calf is gray, this would be an example of ________. howe
I am Lyosha [343]

The first statement above is an example of incomplete dominance. If the calf has black and white spots then that’s an example of codominance.

 

Incomplete dominance is a form of transitional inheritance in which one allele for an explicit trait is not entirely expressed over its paired allele. This effects in a third phenotype in which the expressed physical trait is a mixture of the phenotypes of both alleles.

 

Codominance<span> is a form of dominance by which the alleles of a gene pair in a heterozygote are wholly expressed. This effects in offspring with a phenotype that is neither dominant or recessive. A usual example showing this type of dominance is the ABO blood group system.</span>

<span> </span>

4 0
3 years ago
High-throughput sequencing reveals that 30 new mutations have occurred in the coding regions of genes in an individual lizard. I
dybincka [34]

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100 per million

Explanation:

4 0
3 years ago
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
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