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Ilya [14]
3 years ago
11

Why do populations in different countries grow at different rates?

Biology
1 answer:
Lemur [1.5K]3 years ago
8 0
Survival rates of newborns
Average life spans 
Death rates 
level of and access to medicare 
Local diseases with high mortality rates (Malaria,AIDS,Dengue, ETC)
Education levels 
Economic levels
Governmental programs or laws (available food) ECT
Temperature/environment conditions
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5
hoa [83]

Answer:

B

Explanation:

All living things need to breathe, even the microorganism which breathe by a process called diffusion. They might breathe using different of mechanisms or organs but THE POINT IS THEY NEED TO BREATHE.

4 0
3 years ago
Which enzyme is mixed with a DNA sample before gel electrophoresis
Svetach [21]

Answer:

Restriction enzyme

Explanation:

  • Gel electrophoresis is a process or a technique in which fragments of DNA  are separated in terms of their sizes.
  • <em><u>The restriction enzyme is mixed with a DNA sample before the process. The restriction enzyme cut DNA at specific points into fragments which can then be separated based on their sizes on an agarose gel.</u></em>
  • When current is applied to the gel DNA move towards the positively charged electrode since DNA is negatively charged, with shorter fragments migrating faster through the gel in comparison with large fragments.
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3 years ago
Which segment of DNA contains the information necessary to produce a protein?
pentagon [3]
I think its ribosomes
8 0
3 years ago
Name a land animal that is sessile. Why would this
TEA [102]
Scale insects mature as sessile.
Is a disadvantage because sessile means nonmotile, which means food has to be readily there for them which it's just not bc land animals typically have to keep moving to survive
6 0
3 years ago
The Kinetic Molecular Theory explains the movement and overall behavior of gases. A scientist claims to have found evidence
Darina [25.2K]

Answer: C

Explanation:

8 0
3 years ago
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