<span>Of SiF4 and SiBr4, the atom SiF4 is more polar. This is because the cation of both molecules are Silicon, but the anions of each are different. In SiF4, the anion is Fluorine, which is more electronegative than the Bromine in SiBr4, which creates a larger dipole, which results in a more polar molecule.</span>
<span>An improved functional health can have a positive
influence on physical inactivity for this is a modifiable risk factor. The prevalence of improve functional health is
higher than physical inactivity compare to other risk factors because this will
encourage an individual to have a physical activity such as biking, swimming or
any routine physical fitness. </span>
Answer:
The process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin, and it is now regarded as be the main process that brings about evolution.
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
Hello There!
It is from adult bone marrow.
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- Hannah ❤
