According to the research, the correct option is A, population genetics is the study of how allele frequencies in a population change over time.
<h3>What is population genetics?</h3>
It studies the origin, amount and distribution of genetic variability present in populations.
It explains the variation between individuals, as well as the dynamics of alleles and genotypes within and between populations.
Therefore, we can conclude that according to the research, the correct option is A, population genetics is the study of how allele frequencies in a population change over time.
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Almost all viruses are so small they cannot be seen without an electron microscope, and they often consist of just a nucleic acid (either DNA or RNA) in a protein capsule.
There are many human activities that could contribute significantly to the creation of dead zones, and here are some of them:
1. the use of chemical fertilizers
2. urban land use
3. coastal littering, as well as runoff from sewage
4. use of harmful phosphates in detergents
Dead zones are places in waters on Earth where there is so little oxygen left due to pollution that marine life cannot survive there.
Answer:
Sound energy is produced when an object vibrates. The sound vibrations cause waves of pressure that travel through a medium, such as air, water, wood or metal.
Explanation:
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