Answer:
Genetic variation is an important force in evolution as it allows natural selection to increase or decrease frequency of alleles already in the population. Genetic variation is advantageous to a population because it enables some individuals to adapt to the environment while maintaining the survival of the population
Explanation:
Source: the internet
Answer: A changing magnetic flux establishes a current in a circuit.
Faraday's Law of Electromagnetic Induction was formulated from the experiments made by him and states that:
<em>The voltage induced in a closed circuit is directly proportional to the speed with which the magnetic flux that crosses any surface with the circuit as edge changes in time</em>
![\oint\limits_C {\vec{E}}\,d\vec{l}=-\frac{d}{dt} \int\limits_S {\vec{B}} \, d\vec{A}](https://tex.z-dn.net/?f=%5Coint%5Climits_C%20%7B%5Cvec%7BE%7D%7D%5C%2Cd%5Cvec%7Bl%7D%3D-%5Cfrac%7Bd%7D%7Bdt%7D%20%5Cint%5Climits_S%20%7B%5Cvec%7BB%7D%7D%20%5C%2C%20d%5Cvec%7BA%7D)
where:
is the Electric Field
is the infinitesimal element of the C contour
is the magnetic field density
is an arbitrary surface, whose edge is C
The negative sign indicates the direction of the induced current and refers to the opposition between the fields induced by the magnetic flux and the electromotive force.
So, it is the change in the magnetic flux that establishes a voltage in the circuit, hence current.
Germination<span>The process by which plants begin to grow from seed to spore or from seed to bud.</span>